Issue #59: Added event OnChartEvent into MtApi (MT4)

Refactored and updated enumerations

MT5Connector/MT5Connector.cpp

@@ -107,7 +107,7 @@ int _stdcall initExpert(int expertHandle, int port, wchar_t* symbol, double bid,
     try
     {
         MT5Handler^ mtHander = gcnew MT5Handler();
-        MtServerInstance::GetInstance()->InitExpert(expertHandle, port, gcnew String(symbol), bid, ask, mtHander);
+        MtAdapter::GetInstance()->InitExpert(expertHandle, port, gcnew String(symbol), bid, ask, mtHander);
     }
     catch (Exception^ e)
     {
@@ -123,7 +123,7 @@ int _stdcall deinitExpert(int expertHandle, wchar_t* err)
 {
     try
     {
-        MtServerInstance::GetInstance()->DeinitExpert(expertHandle);
+        MtAdapter::GetInstance()->DeinitExpert(expertHandle);
     }    
     catch (Exception^ e)
     {
@@ -139,7 +139,7 @@ int _stdcall updateQuote(int expertHandle, wchar_t* symbol, double bid, double a
 {
     try
     {
-        MtServerInstance::GetInstance()->SendQuote(expertHandle, gcnew String(symbol), bid, ask);
+        MtAdapter::GetInstance()->SendQuote(expertHandle, gcnew String(symbol), bid, ask);
     }
     catch (Exception^ e)
     {
@@ -155,7 +155,7 @@ int _stdcall sendIntResponse(int expertHandle, int response)
 {
     try
     {
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseInt(response));
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseInt(response));
     }
     catch (Exception^ e)
     {
@@ -169,7 +169,7 @@ int _stdcall sendLongResponse(int expertHandle, __int64 response)
 {
     try
     {
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseLong(response));
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseLong(response));
     }
     catch (Exception^ e)
     {
@@ -183,7 +183,7 @@ int _stdcall sendULongResponse(int expertHandle, unsigned __int64 response)
 {
     try
     {
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseULong(response));
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseULong(response));
     }
     catch (Exception^ e)
     {
@@ -199,7 +199,7 @@ int _stdcall sendBooleanResponse(int expertHandle, int response)
     {
         bool value = (response != 0) ? true : false;
 
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseBool(value));
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseBool(value));
     }
     catch (Exception^ e)
     {
@@ -213,7 +213,7 @@ int _stdcall sendDoubleResponse(int expertHandle, double response)
 {
     try
     {
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseDouble(response));
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseDouble(response));
     }
     catch (Exception^ e)
     {
@@ -227,7 +227,7 @@ int _stdcall sendStringResponse(int expertHandle, wchar_t* response)
 {
     try
     {
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseString(gcnew String(response)));
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseString(gcnew String(response)));
     }
     catch (Exception^ e)
     {
@@ -241,7 +241,7 @@ int _stdcall sendVoidResponse(int expertHandle)
 {
     try
     {        
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, nullptr);
+        MtAdapter::GetInstance()->SendResponse(expertHandle, nullptr);
     }
     catch (Exception^ e)
     {
@@ -262,7 +262,7 @@ int _stdcall sendDoubleArrayResponse(int expertHandle, double* values, int size)
             list[i] = values[i];
         }
 
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseDoubleArray(list));
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseDoubleArray(list));
     }
     catch (Exception^ e)
     {
@@ -283,7 +283,7 @@ int _stdcall sendIntArrayResponse(int expertHandle, int* values, int size)
             list[i] = values[i];
         }
 
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseIntArray(list));
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseIntArray(list));
     }
     catch (Exception^ e)
     {
@@ -304,7 +304,7 @@ int _stdcall sendLongArrayResponse(int expertHandle, __int64* values, int size)
             list[i] = values[i];
         }
 
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseLongArray(list));
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseLongArray(list));
     }
     catch (Exception^ e)
     {
@@ -335,7 +335,7 @@ int _stdcall sendMqlRatesArrayResponse(int expertHandle, CMqlRates values[], int
             list[i] = rates;
         }
 
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseMqlRatesArray(list));
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseMqlRatesArray(list));
     }
     catch (Exception^ e)
     {
@@ -357,7 +357,7 @@ int _stdcall sendMqlTickResponse(int expertHandle, CMqlTick* response, int size)
         mtResponse->last = response->last;
         mtResponse->volume = response->volume;
 
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseMqlTick(mtResponse));
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseMqlTick(mtResponse));
     }
     catch (Exception^ e)
     {
@@ -384,7 +384,7 @@ int _stdcall sendMqlBookInfoArrayResponse(int expertHandle, CMqlBookInfo values[
             list[i] = info;
         }
 
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseMqlBookInfoArray(list));
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseMqlBookInfoArray(list));
     }
     catch (Exception^ e)
     {
@@ -400,7 +400,7 @@ int _stdcall getCommandType(int expertHandle, int* res)
 {
     try
     {
-        *res = MtServerInstance::GetInstance()->GetCommandType(expertHandle);
+        *res = MtAdapter::GetInstance()->GetCommandType(expertHandle);
     }
     catch (Exception^ e)
     {
@@ -414,7 +414,7 @@ int _stdcall getIntValue(int expertHandle, int paramIndex, int* res)
 {
     try
     {
-        *res = (int)MtServerInstance::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
+        *res = (int)MtAdapter::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
     }
     catch (Exception^ e)
     {
@@ -428,7 +428,7 @@ int _stdcall getDoubleValue(int expertHandle, int paramIndex, double* res)
 {
     try
     {
-        *res = (double)MtServerInstance::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
+        *res = (double)MtAdapter::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
     }
     catch (Exception^ e)
     {
@@ -442,7 +442,7 @@ int _stdcall getStringValue(int expertHandle, int paramIndex, wchar_t* res)
 {
     try
     {
-        convertSystemString(res, (String^)MtServerInstance::GetInstance()->GetCommandParameter(expertHandle, paramIndex));
+        convertSystemString(res, (String^)MtAdapter::GetInstance()->GetCommandParameter(expertHandle, paramIndex));
     }
     catch (Exception^ e)
     {
@@ -456,7 +456,7 @@ int _stdcall getULongValue(int expertHandle, int paramIndex, unsigned __int64* r
 {
     try
     {
-        *res = (unsigned long)MtServerInstance::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
+        *res = (unsigned long)MtAdapter::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
     }
     catch (Exception^ e)
     {
@@ -470,7 +470,7 @@ int _stdcall getLongValue(int expertHandle, int paramIndex, __int64* res)
 {
     try
     {
-        *res = (long)MtServerInstance::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
+        *res = (long)MtAdapter::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
     }
     catch (Exception^ e)
     {
@@ -484,7 +484,7 @@ int _stdcall getBooleanValue(int expertHandle, int paramIndex, int* res)
 {
     try
     {
-        bool val = (bool)MtServerInstance::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
+        bool val = (bool)MtAdapter::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
         *res = val == true ? 1 : 0;
     }
     catch (Exception^ e)
@@ -499,7 +499,7 @@ int _stdcall getUIntValue(int expertHandle, int paramIndex, unsigned int* res)
 {
     try
     {
-        *res = (unsigned int)MtServerInstance::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
+        *res = (unsigned int)MtAdapter::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
     }
     catch (Exception^ e)
     {

MTApiService/ICommandManager.cs

@@ -1,8 +1,7 @@
 namespace MTApiService
 {
-    public interface ICommandManager
+    internal interface ICommandManager
     {
-        void EnqueueCommandTask(MtCommandTask task);
-        MtCommandTask DequeueCommandTask();
+        MtCommandTask SendCommand(MtCommand task);
     }
 }

MTApiService/ITaskExecutor.cs

@@ -0,0 +1,9 @@
+namespace MTApiService
+{
+    internal interface ITaskExecutor
+    {
+        void Execute(MtCommandTask task);
+        
+        int Handle { get; }
+    }
+}

MTApiService/LogConfigurator.cs

@@ -29,7 +29,7 @@ namespace MTApiService
 
             var roller = new RollingFileAppender
             {
-                AppendToFile = false,
+                AppendToFile = true,
                 File = $@"{System.IO.Path.GetTempPath()}{profileName}\Logs\{filename}",
                 Layout = patternLayout,
                 PreserveLogFileNameExtension = true,

MTApiService/MTApiService.csproj

@@ -62,6 +62,7 @@
   <ItemGroup>
     <Compile Include="ICommandManager.cs" />
     <Compile Include="IMetaTraderHandler.cs" />
+    <Compile Include="ITaskExecutor.cs" />
     <Compile Include="LogConfigurator.cs" />
     <Compile Include="MtCommandEventArgs.cs" />
     <Compile Include="IDisposableChannel.cs" />
@@ -78,11 +79,11 @@
     <Compile Include="MtConnectionProfile.cs" />
     <Compile Include="MtExecutorManager.cs" />
     <Compile Include="MtExpert.cs" />
-    <Compile Include="MtInstrument.cs" />
+    <Compile Include="MtQuote.cs" />
     <Compile Include="MtResponse.cs" />
     <Compile Include="MtServer.cs" />
     <Compile Include="MtCommand.cs" />
-    <Compile Include="MtServerInstance.cs" />
+    <Compile Include="MtAdapter.cs" />
     <Compile Include="MtService.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>

MTApiService/MtAdapter.cs

@@ -4,13 +4,13 @@ using log4net;
 
 namespace MTApiService
 {
-    public class MtServerInstance
+    public class MtAdapter
     {
         #region Fields
         private const string LogProfileName = "MtApiService";
 
-        private static readonly ILog Log = LogManager.GetLogger(typeof(MtServerInstance));
-        private static readonly MtServerInstance Instance = new MtServerInstance();
+        private static readonly ILog Log = LogManager.GetLogger(typeof(MtAdapter));
+        private static readonly MtAdapter Instance = new MtAdapter();
 
         private readonly Dictionary<int, MtServer> _servers = new Dictionary<int, MtServer>();
         private readonly Dictionary<int, MtExpert> _experts = new Dictionary<int, MtExpert>();
@@ -18,16 +18,16 @@ namespace MTApiService
 
         #region Init Instance
 
-        private MtServerInstance()
+        private MtAdapter()
         {
             LogConfigurator.Setup(LogProfileName);
         }
         
-        static MtServerInstance() 
+        static MtAdapter() 
         {
         }
 
-        public static MtServerInstance GetInstance()
+        public static MtAdapter GetInstance()
         {
             return Instance;
         }
@@ -60,7 +60,7 @@ namespace MTApiService
                 }
             }
 
-            var expert = new MtExpert(expertHandle, new MtQuote(symbol, bid, ask), mtHandler);
+            var expert = new MtExpert(expertHandle, new MtQuote { Instrument = symbol, Bid = bid, Ask = ask, ExpertHandle = expertHandle }, mtHandler);
 
             lock (_experts)
             {
@@ -111,7 +111,7 @@ namespace MTApiService
 
             if (expert != null)
             {
-                expert.Quote = new MtQuote(symbol, bid, ask);
+                expert.Quote = new MtQuote { Instrument = symbol, Bid = bid, Ask = ask, ExpertHandle = expertHandle };
             }
             else
             {
@@ -133,7 +133,7 @@ namespace MTApiService
 
             if (expert != null)
             {
-                expert.SendEvent(new MtEvent(eventType, payload));
+                expert.SendEvent(new MtEvent { EventType = eventType, Payload = payload, ExpertHandle = expertHandle });
             }
             else
             {
@@ -208,6 +208,50 @@ namespace MTApiService
 
             return retval;
         }
+
+        public object GetNamedParameter(int expertHandle, string name)
+        {
+            Log.DebugFormat("GetNamedParameter: begin. expertHandle = {0}, name = {1}", expertHandle, name);
+
+            MtExpert expert;
+            lock (_experts)
+            {
+                expert = _experts[expertHandle];
+            }
+
+            if (expert == null)
+            {
+                Log.WarnFormat("GetNamedParameter: expert with id {0} has not been found.", expertHandle);
+            }
+
+            var retval = expert?.GetNamedParameter(name);
+
+            Log.DebugFormat("GetNamedParameter: end. retval = {0}", retval);
+
+            return retval;
+        }
+
+        public bool ContainsNamedParameter(int expertHandle, string name)
+        {
+            Log.DebugFormat("ContainsNamedParameter: begin. expertHandle = {0}, name = {1}", expertHandle, name);
+
+            MtExpert expert;
+            lock (_experts)
+            {
+                expert = _experts[expertHandle];
+            }
+
+            if (expert == null)
+            {
+                Log.WarnFormat("ContainsNamedParameter: expert with id {0} has not been found.", expertHandle);
+            }
+
+            bool retval = expert != null ? expert.ContainsNamedParameter(name) : false;
+
+            Log.DebugFormat("ContainsNamedParameter: end. retval = {0}", retval);
+
+            return retval;
+        }
         #endregion
 
         #region Private Methods

MTApiService/MtApiProxy.cs

@@ -11,13 +11,13 @@ namespace MTApiService
             : base(callbackContext, binding, remoteAddress)
         {
             InnerDuplexChannel.Faulted += InnerDuplexChannel_Faulted;
-            InnerDuplexChannel.Open();
         }
 
         #region IMtApi Members
 
         public bool Connect()
         {
+            InnerDuplexChannel.Open();
             return Channel.Connect();
         }
 

MTApiService/MtClient.cs

@@ -6,38 +6,33 @@ using log4net;
 
 namespace MTApiService
 {
-    [CallbackBehavior(UseSynchronizationContext = false)]
-    public class MtClient: IMtApiCallback, IDisposable
+    [CallbackBehavior(ConcurrencyMode = ConcurrencyMode.Multiple, UseSynchronizationContext = false)]
+    public class MtClient : IMtApiCallback, IDisposable
     {
         private const string ServiceName = "MtApiService";
 
         public delegate void MtQuoteHandler(MtQuote quote);
+        public delegate void MtEventHandler(MtEvent e);
 
         #region Fields
         private static readonly ILog Log = LogManager.GetLogger(typeof(MtClient));
 
-        private MtApiProxy _proxy;
-        private bool _isConnected;
+        private readonly MtApiProxy _proxy;
         #endregion
 
-        #region Public Methods
-        public void Open(string host, int port)
+        #region ctor
+        public MtClient(string host, int port)
         {
-            Log.DebugFormat("Open: begin. host = {0}, port = {1}", host, port);
-
             if (string.IsNullOrEmpty(host))
                 throw new ArgumentNullException(nameof(host), "host is null or empty");
 
             if (port < 0 || port > 65536)
                 throw new ArgumentOutOfRangeException(nameof(port), "port value is invalid");
 
-            var urlService = $"net.tcp://{host}:{port}/{ServiceName}";
+            Host = host;
+            Port = port;
 
-            if (_proxy != null)
-            {
-                Log.Warn("Open: end. _proxy is not null.");
-                return;
-            }
+            var urlService = $"net.tcp://{host}:{port}/{ServiceName}";
 
             var bind = new NetTcpBinding(SecurityMode.None)
             {
@@ -55,28 +50,19 @@ namespace MTApiService
                     MaxNameTableCharCount = 2147483647
                 }
             };
-            // Commented next statement since it is not required
 
             _proxy = new MtApiProxy(new InstanceContext(this), bind, new EndpointAddress(urlService));
             _proxy.Faulted += ProxyFaulted;
-
-            Log.Debug("Open: end.");
         }
 
-        public void Open(int port)
+        public MtClient(int port)
         {
-            Log.DebugFormat("Open: begin. port = {0}", port);
-
             if (port < 0 || port > 65536)
                 throw new ArgumentOutOfRangeException(nameof(port), "port value is invalid");
 
-            var urlService = $"net.pipe://localhost/{ServiceName}_{port}";
+            Port = port;
 
-            if (_proxy != null)
-            {
-                Log.Warn("Open: end. _proxy is not null.");
-                return;
-            }
+            var urlService = $"net.pipe://localhost/{ServiceName}_{port}";
 
             var bind = new NetNamedPipeBinding(NetNamedPipeSecurityMode.None)
             {
@@ -94,61 +80,40 @@ namespace MTApiService
                     MaxNameTableCharCount = 2147483647
                 }
             };
-            // Commented next statement since it is not required
 
             _proxy = new MtApiProxy(new InstanceContext(this), bind, new EndpointAddress(urlService));
             _proxy.Faulted += ProxyFaulted;
-
-            Log.Debug("Open: end.");
         }
 
-        public void Close()
-        {
-            Log.Debug("Close: begin.");
 
-            if (_proxy != null)
-            {
-                _proxy.Faulted -= ProxyFaulted;
-                _proxy.Dispose();
-                _proxy = null;
-            }
-
-            _isConnected = false;
-
-            Log.Debug("Close: end.");
-        }
+        #endregion
 
+        #region Public Methods
         /// <exception cref="CommunicationException">Thrown when connection failed</exception>
         public void Connect()
         {
             Log.Debug("Connect: begin.");
 
-            if (_proxy == null)
+            if (_proxy.State != CommunicationState.Created)
             {
-                Log.Error("Connect: _proxy is not defined.");
-                throw new CommunicationException("Connection failed to service. Proxy is not defined (needs to call Open)");
-            }
-
-            if (_isConnected)
-            {
-                Log.Warn("Connected: end. Client is already connected.");
+                Log.ErrorFormat("Connected: end. Client has invalid state {0}", _proxy.State);
                 return;
             }
 
+            bool coonected;
+
             try
             {
-                _isConnected = _proxy.Connect();
+                coonected = _proxy.Connect();
             }
             catch (Exception ex)
             {
                 Log.ErrorFormat("Connect: Exception - {0}", ex.Message);
 
-                Close();
-
                 throw new CommunicationException($"Connection failed to service. {ex.Message}");
             }
 
-            if (_isConnected == false)
+            if (coonected == false)
             {
                 Log.Error("Connect: end. Connection failed.");
                 throw new CommunicationException("Connection failed");
@@ -163,72 +128,60 @@ namespace MTApiService
 
             try
             {
-                _isConnected = false;
-
-                _proxy?.Disconnect();
+                _proxy.Disconnect();
             }
             catch (Exception ex)
             {
                 Log.ErrorFormat("Disconnect: Exception - {0}", ex.Message);
-
-                Close();
             }
 
             Log.Debug("Disconnect: end.");
         }
 
         /// <exception cref="CommunicationException">Thrown when connection failed</exception>
-        public MtResponse SendCommand(int commandType, ArrayList parameters)
+        public MtResponse SendCommand(int commandType, ArrayList parameters, Dictionary<string, object> namedParams, int expertHandle)
         {
             Log.DebugFormat("SendCommand: begin. commandType = {0}, parameters count = {1}", commandType, parameters?.Count);
 
-            MtResponse result;
-
-            if (_isConnected == false)
+            if (IsConnected == false)
             {
                 Log.Error("SendCommand: Client is not connected.");
                 throw new CommunicationException("Client is not connected.");
             }
 
-            if (_proxy == null)
-            {
-                Log.Error("SendCommand: Proxy is not defined.");
-                throw new CommunicationException("Proxy is not defined.");
-            }
+            MtResponse result;
 
             try
             {
-                result = _proxy.SendCommand(new MtCommand(commandType, parameters));
+                result = _proxy.SendCommand(new MtCommand {
+                    CommandType = commandType,
+                    Parameters = parameters,
+                    NamedParams = namedParams,
+                    ExpertHandle = expertHandle});
             }
             catch (Exception ex)
             {
                 Log.ErrorFormat("SendCommand: Exception - {0}", ex.Message);
 
-                Close();
-
                 throw new CommunicationException("Service connection failed! " + ex.Message);
             }
 
+            Log.DebugFormat("SendCommand: end. result = {0}", result);
+
             return result;
         }
 
         /// <exception cref="CommunicationException">Thrown when connection failed</exception>
-        public IEnumerable<MtQuote> GetQuotes()
+        public List<MtQuote> GetQuotes()
         {
             Log.Debug("GetQuotes: begin.");
 
-            if (_isConnected == false)
+            if (IsConnected == false)
             {
                 Log.Warn("GetQuotes: end. Client is not connected.");
                 return null;
             }
 
-            if (_proxy == null)
-            {
-                Log.Warn("GetQuotes: end. _proxy is not defined.");
-                return null;
-            }
-
             List<MtQuote> result;
 
             try
@@ -239,8 +192,6 @@ namespace MTApiService
             {
                 Log.ErrorFormat("GetQuotes: Exception - {0}", ex.Message);
 
-                Close();
-
                 throw new CommunicationException($"Service connection failed! {ex.Message}");
             }
 
@@ -286,18 +237,17 @@ namespace MTApiService
         {
             Log.Debug("OnServerStopped: begin.");
 
-            Close();
             ServerDisconnected?.Invoke(this, EventArgs.Empty);
 
             Log.Debug("OnServerStopped: end.");
         }
 
 
-        public void OnMtEvent(MtEvent mtEvent)
+        public void OnMtEvent(MtEvent e)
         {
-            Log.DebugFormat("OnMtEvent: begin. event = {0}", mtEvent);
+            Log.DebugFormat("OnMtEvent: begin. event = {0}", e);
 
-            MtEventReceived?.Invoke(this, new MtEventArgs(mtEvent));
+            MtEventReceived?.Invoke(e);
 
             Log.Debug("OnMtEvent: end.");
         }
@@ -305,7 +255,10 @@ namespace MTApiService
         #endregion
 
         #region Properties
-        public bool IsConnected => _proxy.State == CommunicationState.Opened && _isConnected;
+        public string Host { get; private set; }
+        public int Port { get; private set; }
+
+        private bool IsConnected => _proxy.State == CommunicationState.Opened;
 
         #endregion
 
@@ -315,7 +268,6 @@ namespace MTApiService
         {
             Log.Debug("ProxyFaulted: begin.");
 
-            Close();
             ServerFailed?.Invoke(this, EventArgs.Empty);
 
             Log.Debug("ProxyFaulted: end.");
@@ -329,7 +281,7 @@ namespace MTApiService
         {
             Log.Debug("Dispose: begin.");
 
-            Close();
+            _proxy.Dispose();
 
             Log.Debug("Dispose: end.");
         }
@@ -342,7 +294,7 @@ namespace MTApiService
         public event MtQuoteHandler QuoteUpdated;
         public event EventHandler ServerDisconnected;
         public event EventHandler ServerFailed;
-        public event EventHandler<MtEventArgs> MtEventReceived;
+        public event MtEventHandler MtEventReceived;
         #endregion
     }
 }

MTApiService/MtCommand.cs

@@ -1,26 +1,27 @@
 using System.Runtime.Serialization;
 using System.Collections;
+using System.Collections.Generic;
 
 namespace MTApiService
 {
     [DataContract]
     public class MtCommand
     {
-        public MtCommand(int commandType, ArrayList parameters)
-        {
-            CommandType = commandType;
-            Parameters = parameters;
-        }
+        [DataMember]
+        public int CommandType { get; set; }
 
         [DataMember]
-        public int CommandType { get; private set; }
+        public ArrayList Parameters { get; set; }
 
         [DataMember]
-        public ArrayList Parameters { get; private set; }
+        public Dictionary<string, object> NamedParams { get; set; }
+
+        [DataMember]
+        public int ExpertHandle { get; set; }
 
         public override string ToString()
         {
-            return $"CommandType = {CommandType}";
+            return $"CommandType = {CommandType}; ExpertHandle = {ExpertHandle}";
         }
     }
 }

MTApiService/MtEvent.cs

@@ -7,30 +7,17 @@ namespace MTApiService
     public class MtEvent
     {
         [DataMember]
-        public int EventType { get; private set; }
+        public int EventType { get; internal set; }
 
         [DataMember]
-        public string Payload { get; private set; }
+        public string Payload { get; internal set; }
 
-        public MtEvent(int eventType, string payload)
-        {
-            EventType = eventType;
-            Payload = payload;
-        }
+        [DataMember]
+        public int ExpertHandle { get; internal set; }
 
         public override string ToString()
         {
-            return "MtEvent = " + EventType + ", Payload = " + Payload;
+            return $"EventType = {EventType}; Payload = {Payload}; ExpertHandle = {ExpertHandle}";
         }
     }
-
-    public class MtEventArgs: EventArgs
-    {
-        public MtEventArgs(MtEvent e)
-        {
-            Event = e;
-        }
-
-        public MtEvent Event { get; private set; }
-    }
 }

MTApiService/MtExecutorManager.cs

@@ -4,14 +4,13 @@ using log4net;
 
 namespace MTApiService
 {
-    internal class MtCommandExecutorManager : ICommandManager
+    internal class MtExecutorManager : ICommandManager
     {
         #region Private Fields
-        private static readonly ILog Log = LogManager.GetLogger(typeof(MtCommandExecutorManager));
-
-        private readonly List<MtExpert> _commandExecutors = new List<MtExpert>();
-        private readonly Queue<MtCommandTask> _commandTasks = new Queue<MtCommandTask>();
+        private static readonly ILog Log = LogManager.GetLogger(typeof(MtExecutorManager));
 
+        private readonly List<ITaskExecutor> _executorList = new List<ITaskExecutor>();
+        private readonly Dictionary<int, ITaskExecutor> _executorMap = new Dictionary<int, ITaskExecutor>();
         private readonly object _locker = new object();
         #endregion
 
@@ -23,149 +22,94 @@ namespace MTApiService
 
             lock (_locker)
             {
-                _commandExecutors.Clear();
-                _commandTasks.Clear();
+                _executorList.Clear();
+                _executorMap.Clear();
             }
 
             Log.Debug("Stop: end.");
         }
 
-        public void AddCommandExecutor(MtExpert commandExecutor)
+        public void AddExecutor(ITaskExecutor executor)
         {
-            if (commandExecutor == null)
-                throw new ArgumentNullException(nameof(commandExecutor));
+            if (executor == null)
+                throw new ArgumentNullException(nameof(executor));
 
-            Log.DebugFormat("AddCommandExecutor: begin. commandExecutor = {0}", commandExecutor);
+            Log.DebugFormat("AddExecutor: begin. executor = {0}", executor);
 
-            var notify = false;
             lock (_locker)
             {
-                if (_commandExecutors.Contains(commandExecutor))
+                if (_executorList.Contains(executor))
                 {
-                    Log.Warn("AddCommandExecutor: end. Command executor already exist.");
+                    Log.Warn("AddExecutor: end. Executor already exist.");
                     return;
                 }
 
-                _commandExecutors.Add(commandExecutor);
-                if (_commandTasks.Count > 0)
-                {
-                    notify = true;
-                }
-            }
-
-            commandExecutor.CommandExecuted += CommandExecutor_CommandExecuted;
-            commandExecutor.CommandManager = this;
-
-            if (notify)
-            {
-                NotifyCommandReady();
+                _executorList.Add(executor);
+                _executorMap[executor.Handle] = executor;
             }
 
             Log.Debug("AddCommandExecutor: end.");
         }
 
-        public void RemoveCommandExecutor(MtExpert commandExecutor)
+        public void RemoveExecutor(ITaskExecutor executor)
         {
-            if (commandExecutor == null)
-                throw new ArgumentNullException(nameof(commandExecutor));
+            if (executor == null)
+                throw new ArgumentNullException(nameof(executor));
 
-            Log.DebugFormat("RemoveCommandExecutor: begin. commandExecutor = {0}", commandExecutor);
+            Log.DebugFormat("RemoveExecutor: begin. executor = {0}", executor);
 
-            var notify = false;
             lock (_locker)
             {
-                if (_commandExecutors.Contains(commandExecutor) == false)
+                if (_executorList.Contains(executor) == false)
                 {
-                    Log.Warn("RemoveCommandExecutor: end. Command executor is not exist in collection.");
+                    Log.Warn("RemoveExecutor: end. Executor is not exist in collection.");
                     return;
                 }
 
-                _commandExecutors.Remove(commandExecutor);
-                if (_commandTasks.Count > 0)
+                _executorList.Remove(executor);
+                _executorMap.Remove(executor.Handle);
+            }
+
+            Log.Debug("RemoveExecutor: end.");
+        }
+
+        public MtCommandTask SendCommand(MtCommand command)
+        {
+            if (command == null)
+                throw new ArgumentNullException(nameof(command));
+
+            var task = new MtCommandTask(command);
+
+            Log.DebugFormat("SendTask: begin. command = {0}", command);
+
+            ITaskExecutor executor;
+
+            lock (_locker)
+            {
+                if (_executorMap.ContainsKey(command.ExpertHandle))
                 {
-                    notify = true;
+                    executor = _executorMap[command.ExpertHandle];
+                }
+                else
+                {
+                    executor = _executorList.Count > 0 ? _executorList[0] : null;
                 }
             }
 
-            commandExecutor.CommandExecuted -= CommandExecutor_CommandExecuted;
-            commandExecutor.CommandManager = null;
-
-            if (notify)
+            if (executor == null)
             {
-                NotifyCommandReady();
+                Log.Error("SendTask: Executor is null!");
+            }
+            else
+            {
+                executor.Execute(task);
             }
 
-            Log.Debug("RemoveCommandExecutor: end.");
+            Log.Debug("SendTask: end.");
+
+            return task;
         }
 
-        public void EnqueueCommandTask(MtCommandTask task)
-        {
-            if (task == null)
-                throw new ArgumentNullException(nameof(task));
-
-            Log.DebugFormat("EnqueueCommandTask: begin. task = {0}", task);
-
-            lock (_locker)
-            {
-                _commandTasks.Enqueue(task);
-            }
-
-            NotifyCommandReady();
-
-            Log.Debug("EnqueueCommandTask: end.");
-        }
-
-        public MtCommandTask DequeueCommandTask()
-        {
-            Log.Debug("DequeueCommandTask: called.");
-
-            lock (_locker)
-            {
-                return _commandTasks.Count > 0 ? _commandTasks.Dequeue() : null;
-            }
-        }
-
-        #endregion
-
-        #region Private Methods
-        private void NotifyCommandReady()
-        {
-            Log.Debug("NotifyCommandReady: begin.");
-
-            var commandExecutors = new List<MtExpert>();
-            lock (_locker)
-            {
-                commandExecutors.AddRange(_commandExecutors);
-            }
-
-            foreach (var executor in commandExecutors)
-            {
-                executor.NotifyCommandReady();
-            }
-
-            Log.DebugFormat("NotifyCommandReady: end. Notified executor count = {0}", commandExecutors.Count);
-        }
-
-        private void CommandExecutor_CommandExecuted(object sender, EventArgs e)
-        {
-            Log.Debug("CommandExecutor_CommandExecuted: begin.");
-
-            var notify = false;
-            lock (_locker)
-            {
-                if (_commandTasks.Count > 0)
-                {
-                    notify = true;
-                }
-            }
-
-            if (notify)
-            {
-                NotifyCommandReady();
-            }
-
-            Log.Debug("CommandExecutor_CommandExecuted: end.");
-        }
         #endregion
     }
 }

MTApiService/MtExpert.cs

@@ -1,18 +1,20 @@
 using System;
 using log4net;
+using System.Collections.Generic;
 
 namespace MTApiService
 {
-    public class MtExpert
+    internal class MtExpert: ITaskExecutor
     {
         public delegate void MtQuoteHandler(MtExpert expert, MtQuote quote);
+        public delegate void MtEventHandler(MtExpert expert, MtEvent e);
 
         #region Private Fields
         private static readonly ILog Log = LogManager.GetLogger(typeof(MtExpert));
 
         private readonly IMetaTraderHandler _mtHadler;
-        private MtCommandTask _commandTask;
-        private ICommandManager _commandManager;
+        private MtCommandTask _currentTask;
+        private readonly Queue<MtCommandTask> _taskQueue = new Queue<MtCommandTask>();
         private readonly object _locker = new object();
         #endregion
 
@@ -41,9 +43,8 @@ namespace MTApiService
         {
             Log.DebugFormat("SendResponse: begin. response = {0}", response);
 
-            _commandTask.SetResult(response);
-            _commandTask = null;
-            FireOnCommandExecuted();
+            _currentTask.SetResult(response);
+            _currentTask = null;
 
             Log.Debug("SendResponse: end.");
         }
@@ -52,20 +53,16 @@ namespace MTApiService
         {
             Log.Debug("GetCommandType: called.");
 
-            var commandManager = CommandManager;
-            if (commandManager != null)
-            {
-                _commandTask = commandManager.DequeueCommandTask();
-            }
+            _currentTask = DequeueTask();
 
-            return _commandTask?.Command?.CommandType ?? 0;
+            return _currentTask?.Command?.CommandType ?? 0;
         }
 
         public object GetCommandParameter(int index)
         {
-            Log.DebugFormat("GetCommandType: called. index = {0}", index);
+            Log.DebugFormat("GetCommandParameter: called. index = {0}", index);
 
-            var command = _commandTask?.Command;
+            var command = _currentTask?.Command;
             if (command?.Parameters != null && index >= 0 && index < command.Parameters.Count)
             {
                 return command.Parameters[index];
@@ -74,6 +71,46 @@ namespace MTApiService
             return null;
         }
 
+        public object GetNamedParameter(string name)
+        {
+            Log.DebugFormat("GetNamedParameter: called. name = {0}", name);
+
+            var command = _currentTask?.Command;
+            if (command == null)
+            {
+                Log.Warn("GetNamedParameter: command is not defined in task.");
+                return null;
+            }
+
+            if (command.NamedParams == null)
+            {
+                Log.Warn("GetNamedParameter: NamedParams is not defined in command.");
+                return null;
+            }
+
+            return command.NamedParams[name];
+        }
+
+        public bool ContainsNamedParameter(string name)
+        {
+            Log.DebugFormat("ContainsNamedParameter: called. name = {0}", name);
+
+            var command = _currentTask?.Command;
+            if (command == null)
+            {
+                Log.Warn("ContainsNamedParameter: command is not defined in task.");
+                return false;
+            }
+
+            if (command.NamedParams == null)
+            {
+                Log.Warn("ContainsNamedParameter: NamedParams is not defined in command.");
+                return false;
+            }
+
+            return command.NamedParams.ContainsKey(name);
+        }
+
         public void SendEvent(MtEvent mtEvent)
         {
             Log.DebugFormat("SendEvent: begin. event = {0}", mtEvent);
@@ -90,7 +127,22 @@ namespace MTApiService
 
         #endregion
 
+        #region ITaskExecutor
+
+        public void Execute(MtCommandTask task)
+        {
+            lock (_taskQueue)
+            {
+                _taskQueue.Enqueue(task);
+            }
+
+            NotifyCommandReady();
+        }
+
+        #endregion
+
         #region Properties
+
         private MtQuote _quote;
         public MtQuote Quote
         {
@@ -133,41 +185,34 @@ namespace MTApiService
             }
         }
 
-        public ICommandManager CommandManager
-        {
-            private get
-            {
-                lock (_locker)
-                {
-                    return _commandManager;
-                }
-            }
-            set
-            {
-                lock (_locker)
-                {
-                    _commandManager = value;
-                }
-            }
-        }
-
-        #endregion
-
-        #region IMtCommandExecutor
-        public void NotifyCommandReady()
-        {
-            Log.Debug("NotifyCommandReady: begin.");
-
-            SendTickToMetaTrader();
-
-            Log.Debug("NotifyCommandReady: end.");
-        }
         #endregion
 
         #region Private Methods
-        private void SendTickToMetaTrader()
+        private MtCommandTask DequeueTask()
         {
+            Log.Debug("DequeueTask: called.");
+
+            MtCommandTask task;
+            int count;
+
+            lock (_locker)
+            {
+                count = _taskQueue.Count;
+                task = _taskQueue.Count > 0 ? _taskQueue.Dequeue() : null;
+            }
+
+            Log.DebugFormat("DequeueTask: end. left task count = {0}.", count);
+
+            return task;
+        }
+
+        private void NotifyCommandReady()
+        {
+            Log.Debug("NotifyCommandReady: begin.");
+
             _mtHadler.SendTickToMetaTrader(Handle);
+
+            Log.Debug("NotifyCommandReady: end.");
         }
 
         private void FireOnQuoteChanged(MtQuote quote)
@@ -180,22 +225,16 @@ namespace MTApiService
             Deinited?.Invoke(this, EventArgs.Empty);
         }
 
-        private void FireOnCommandExecuted()
-        {
-            CommandExecuted?.Invoke(this, EventArgs.Empty);
-        }
-
         private void FireOnMtEvent(MtEvent mtEvent)
         {
-            OnMtEvent?.Invoke(this, new MtEventArgs(mtEvent));
+            OnMtEvent?.Invoke(this, mtEvent);
         }
         #endregion
 
         #region Events
         public event EventHandler Deinited;
         public event MtQuoteHandler QuoteChanged;
-        public event EventHandler CommandExecuted;
-        public event EventHandler<MtEventArgs> OnMtEvent;
+        public event MtEventHandler OnMtEvent;
         #endregion
     }
 }

MTApiService/MtInstrument.cs

@@ -1,29 +0,0 @@
-using System.Runtime.Serialization;
-
-namespace MTApiService
-{
-    [DataContract]
-    public class MtQuote
-    {
-        [DataMember]
-        public string Instrument { get; private set; }
-        
-        [DataMember]
-        public double Bid { get; private set; }
-
-        [DataMember]
-        public double Ask { get; private set; }
-
-        public MtQuote(string instrument, double bid, double ask)
-        {
-            Instrument = instrument;
-            Bid = bid;
-            Ask = ask;
-        }
-
-        public override string ToString()
-        {
-            return "Instrument = " + Instrument + ", Bid = " + Bid + ", Ask = " + Ask;
-        }
-    }
-}

MTApiService/MtQuote.cs

@@ -0,0 +1,25 @@
+using System.Runtime.Serialization;
+
+namespace MTApiService
+{
+    [DataContract]
+    public class MtQuote
+    {
+        [DataMember]
+        public string Instrument { get; internal set; }
+        
+        [DataMember]
+        public double Bid { get; internal set; }
+
+        [DataMember]
+        public double Ask { get; internal set; }
+
+        [DataMember]
+        public int ExpertHandle { get; internal set; }
+
+        public override string ToString()
+        {
+            return $"Instrument = {Instrument}; Bid = {Bid}; Ask = {Ask}; ExpertHandle = {ExpertHandle}";
+        }
+    }
+}

MTApiService/MtResponse.cs

@@ -12,7 +12,8 @@ namespace MTApiService
     {
         static IEnumerable<Type> GetKnownTypes()
         {
-            return new Type[] { typeof(MtResponseInt), typeof(MtResponseDouble),
+            return new Type[] { typeof(MtResponseObject),
+                                typeof(MtResponseInt), typeof(MtResponseDouble),
                                 typeof(MtResponseString), typeof(MtResponseBool),
                                 typeof(MtResponseLong), typeof(MtResponseULong),
                                 typeof(MtResponseDoubleArray), typeof(MtResponseIntArray),
@@ -22,6 +23,28 @@ namespace MTApiService
         }
 
         public abstract object GetValue();
+
+        [DataMember]
+        public int ErrorCode { get; set; }
+    }
+
+    [DataContract]
+    public class MtResponseObject : MtResponse
+    {
+        public MtResponseObject(object value)
+        {
+            Value = value;
+        }
+
+        [DataMember]
+        public object Value { get; private set; }
+
+        public override object GetValue() { return Value; }
+
+        public override string ToString()
+        {
+            return Value?.ToString() ?? string.Empty;
+        }
     }
 
     [DataContract]

MTApiService/MtServer.cs

@@ -21,7 +21,7 @@ namespace MTApiService
 
         private readonly MtService _service;
         private readonly List<ServiceHost> _hosts = new List<ServiceHost>();
-        private readonly MtCommandExecutorManager _executorManager = new MtCommandExecutorManager();
+        private readonly MtExecutorManager _executorManager = new MtExecutorManager();
         private readonly List<MtExpert> _experts = new List<MtExpert>();
         #endregion
 
@@ -62,13 +62,21 @@ namespace MTApiService
                 }
 
                 //init local pipe host
-                var localUrl = CreateConnectionAddress(null, port, true);
-                var localServiceHost = CreateServiceHost(localUrl, true);
+                var localPipeUrl = CreateConnectionAddress(null, port, true);
+                var localPipeServiceHost = CreateServiceHost(localPipeUrl, true);
+                if (localPipeServiceHost != null)
+                {
+                    _hosts.Add(localPipeServiceHost);
+                }
+
+                //init localhost
+                var localUrl = CreateConnectionAddress("localhost", port, false);
+                var localServiceHost = CreateServiceHost(localUrl, false);
                 if (localServiceHost != null)
                 {
                     _hosts.Add(localServiceHost);
                 }
-                
+
                 //init network hosts
                 var dnsHostName = Dns.GetHostName();
                 var ips = Dns.GetHostEntry(dnsHostName);
@@ -149,7 +157,7 @@ namespace MTApiService
                 _experts.Add(expert);
             }
 
-            _executorManager.AddCommandExecutor(expert);
+            _executorManager.AddExecutor(expert);
 
             _service.OnQuoteAdded(expert.Quote);
 
@@ -170,11 +178,20 @@ namespace MTApiService
                 return null;
             }
 
-            var task = new MtCommandTask(command);
-            _executorManager.EnqueueCommandTask(task);
+            var task = _executorManager.SendCommand(command);
 
             //wait for execute command in MetaTrader
-            var response = task.WaitResult(WaitResponseTime);
+            MtResponse response = null;
+            try
+            {
+                response = task.WaitResult(WaitResponseTime);
+            }
+            catch (Exception ex)
+            {
+                Log.WarnFormat("SendCommand: Exception - {0}", ex.Message);
+            }
+
+            Log.DebugFormat("SendCommand: end. response = {0}", response);
 
             return response;
         }
@@ -371,7 +388,7 @@ namespace MTApiService
                 expertsCount = _experts.Count;
             }
 
-            _executorManager.RemoveCommandExecutor(expert);
+            _executorManager.RemoveExecutor(expert);
 
             expert.Deinited -= expert_Deinited;
             expert.QuoteChanged -= expert_QuoteChanged;
@@ -398,11 +415,11 @@ namespace MTApiService
             Log.Debug("expert_QuoteChanged: end.");
         }
 
-        private void Expert_OnMtEvent(object sender, MtEventArgs e)
+        private void Expert_OnMtEvent(MtExpert expert, MtEvent e)
         {
-            Log.DebugFormat("Expert_OnMtEvent: begin. event = {0}", e.Event);
+            Log.DebugFormat("Expert_OnMtEvent: begin. expert = {0}, event = {1}", expert, e);
 
-            _service.OnMtEvent(e.Event);
+            _service.OnMtEvent(e);
 
             Log.Debug("Expert_OnMtEvent: end.");
         }

MTApiService/MtService.cs

@@ -66,7 +66,7 @@ namespace MTApiService
 
             if (callback == null)
             {
-                Log.Warn("Connect: end. Callback is not definded.");
+                Log.Warn("Connect: end. Callback is not defined.");
                 return false;
             }
 
@@ -158,7 +158,7 @@ namespace MTApiService
 
         public void QuoteUpdate(MtQuote quote)
         {
-            Log.Debug("QuoteUpdate: begin.");
+            Log.DebugFormat("QuoteUpdate: begin. quote = {0}", quote);
 
             ExecuteCallbackAction(a => a.OnQuoteUpdate(quote));
 
@@ -167,7 +167,7 @@ namespace MTApiService
 
         public void OnQuoteAdded(MtQuote quote)
         {
-            Log.Debug("OnQuoteAdded: begin.");
+            Log.DebugFormat("OnQuoteAdded: begin. quote = {0}", quote);
 
             ExecuteCallbackAction(a => a.OnQuoteAdded(quote));
 
@@ -176,18 +176,18 @@ namespace MTApiService
 
         public void OnQuoteRemoved(MtQuote quote)
         {
-            Log.Debug("OnQuoteRemoved: begin.");
+            Log.DebugFormat("OnQuoteRemoved: begin. quote = {0}", quote);
 
             ExecuteCallbackAction(a => a.OnQuoteRemoved(quote));
 
             Log.Debug("OnQuoteRemoved: end.");
         }
 
-        public void OnMtEvent(MtEvent mtEvent)
+        public void OnMtEvent(MtEvent e)
         {
-            Log.Debug("OnMtEvent: begin.");
+            Log.DebugFormat("OnMtEvent: begin.quote = {0}", e);
 
-            ExecuteCallbackAction(a => a.OnMtEvent(mtEvent));
+            ExecuteCallbackAction(a => a.OnMtEvent(e));
 
             Log.Debug("OnMtEvent: end.");
         }

MTApiService/Properties/AssemblyInfo.cs

@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.24.0")]
-[assembly: AssemblyFileVersion("1.0.24.0")]
+[assembly: AssemblyVersion("1.0.27.0")]
+[assembly: AssemblyFileVersion("1.0.27.0")]

MTConnector/MTConnector.cpp

@@ -4,7 +4,8 @@
 
 #include "MT4Handler.h"
 #include "Windows.h"
-#include < vcclr.h >
+#include <vcclr.h>
+#include <functional>
 
 using namespace System;
 using namespace MTApiService;
@@ -17,6 +18,8 @@ using namespace System::IO;
 using namespace  System::Collections::Generic;
 using namespace System::Diagnostics;
 
+#define _DLLAPI extern "C" __declspec(dllexport)
+
 void convertSystemString(wchar_t* dest, String^ src)
 {
     pin_ptr<const wchar_t> wch = PtrToStringChars(src);
@@ -24,264 +27,241 @@ void convertSystemString(wchar_t* dest, String^ src)
     dest[wcslen(wch)] = '\0';
 }
 
-int _stdcall initExpert(int expertHandle, int port, wchar_t* symbol, double bid, double ask, wchar_t* err)
+template <typename T> T Execute(std::function<T()> func, wchar_t* err, T default_value)
 {
+    T result = default_value;
     try
     {
+        result = func();
+    }
+    catch (Exception^ e)
+    {
+        convertSystemString(err, e->Message);
+    }
+    return result;
+}
+
+_DLLAPI bool _stdcall initExpert(int expertHandle, int port, wchar_t* symbol, double bid, double ask, wchar_t* err)
+{
+    return Execute<bool>([&expertHandle, &port, symbol, &bid, &ask]() {
         MT4Handler^ mtHandler = gcnew MT4Handler();
+        MtAdapter::GetInstance()->InitExpert(expertHandle, port, gcnew String(symbol), bid, ask, mtHandler);
+        return true;
+    }, err, false);
 
-        MtServerInstance::GetInstance()->InitExpert(expertHandle, port, gcnew String(symbol), bid, ask, mtHandler);
-    }
-    catch (Exception^ e)
-    {
-        convertSystemString(err, e->Message);
-        Debug::WriteLine("[ERROR] MTConnector:initExpert(): " + e->Message);
-        return 0;
-    }
-    return 1;
 }
 
-int _stdcall deinitExpert(int expertHandle, wchar_t* err)
+_DLLAPI bool _stdcall deinitExpert(int expertHandle, wchar_t* err)
 {
-    try
-    {
-        MtServerInstance::GetInstance()->DeinitExpert(expertHandle);
-    }    
-    catch (Exception^ e)
-    {
-        convertSystemString(err, e->Message);
-        Debug::WriteLine("[ERROR] MTConnector:deinitExpert(): " + e->Message);
-        return 0;
-    }
-    return 1;
+    return Execute<bool>([&expertHandle]() {
+        MtAdapter::GetInstance()->DeinitExpert(expertHandle);
+        return true;
+    }, err, false);
 }
 
-int _stdcall updateQuote(int expertHandle, wchar_t* symbol, double bid, double ask, wchar_t* err)
+_DLLAPI bool _stdcall updateQuote(int expertHandle, wchar_t* symbol, double bid, double ask, wchar_t* err)
 {
-    try
-    {
-        MtServerInstance::GetInstance()->SendQuote(expertHandle, gcnew String(symbol), bid, ask);
-    }
-    catch (Exception^ e)
-    {
-        convertSystemString(err, e->Message);
-        Debug::WriteLine("[ERROR] MTConnector:updateQuote(): " + e->Message);
-        return 0;
-    }
-    return 1;
+    return Execute<bool>([&expertHandle, symbol, &bid, &ask]() {
+        MtAdapter::GetInstance()->SendQuote(expertHandle, gcnew String(symbol), bid, ask);
+        return true;
+    }, err, false);
 }
 
 
-int _stdcall sendEvent(int expertHandle, int eventType, wchar_t* payload, wchar_t* err)
+_DLLAPI bool _stdcall sendEvent(int expertHandle, int eventType, wchar_t* payload, wchar_t* err)
 {
-    try
-    {
-        MtServerInstance::GetInstance()->SendEvent(expertHandle, eventType, gcnew String(payload));
-    }
-    catch (Exception^ e)
-    {
-        convertSystemString(err, e->Message);
-        Debug::WriteLine("[ERROR] MTConnector:updateTimeBar(): " + e->Message);
-        return 0;
-    }
-    return 1;
+    return Execute<bool>([&expertHandle, &eventType, payload]() {
+        MtAdapter::GetInstance()->SendEvent(expertHandle, eventType, gcnew String(payload));
+        return true;
+    }, err, false);
 }
 
-int _stdcall sendIntResponse(int expertHandle, int response)
+_DLLAPI bool _stdcall sendIntResponse(int expertHandle, int response, wchar_t* err)
 {
-    try
-    {
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseInt(response));
-    }
-    catch (Exception^ e)
-    {
-        Debug::WriteLine("[ERROR] MTConnector:sendIntResponse(): " + e->Message);
-        return 0;
-    }
-    return 1;
+    return Execute<bool>([&expertHandle, &response]() {
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseInt(response));
+        return true;
+    }, err, false);
 }
 
-int _stdcall sendBooleanResponse(int expertHandle, int response)
+_DLLAPI bool _stdcall sendBooleanResponse(int expertHandle, bool response, wchar_t* err)
 {
-    try
-    {
-        bool value = (response != 0) ? true : false;
-
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseBool(value));
-    }
-    catch (Exception^ e)
-    {
-        Debug::WriteLine("[ERROR] MTConnector:sendBooleanResponse(): " + e->Message);
-        return 0;
-    }
-    return 1;
+    return Execute<bool>([&expertHandle, &response]() {
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseBool(response));
+        return true;
+    }, err, false);
 }
 
-int _stdcall sendDoubleResponse(int expertHandle, double response)
+_DLLAPI bool _stdcall sendDoubleResponse(int expertHandle, double response, wchar_t* err)
 {
-    try
-    {
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseDouble(response));
-    }
-    catch (Exception^ e)
-    {
-        Debug::WriteLine("[ERROR] MTConnector:sendDoubleResponse(): " + e->Message);
-        return 0;
-    }
-    return 1;
+    return Execute<bool>([&expertHandle, &response]() {
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseDouble(response));
+        return true;
+    }, err, false);
 }
 
-int _stdcall sendStringResponse(int expertHandle, wchar_t* response)
+_DLLAPI bool _stdcall sendStringResponse(int expertHandle, wchar_t* response, wchar_t* err)
 {
-    try
-    {
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseString(gcnew String(response)));
-    }
-    catch (Exception^ e)
-    {
-        Debug::WriteLine("[ERROR] MTConnector:sendStringResponse(): " + e->Message);
-        return 0;
-    }
-    return 1;
+    return Execute<bool>([&expertHandle, response]() {
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseString(gcnew String(response)));
+        return true;
+    }, err, false);
 }
 
-int _stdcall sendVoidResponse(int expertHandle)
+_DLLAPI bool _stdcall sendErrorResponse(int expertHandle, int code, wchar_t* message, wchar_t* err)
 {
-    try
-    {        
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, nullptr);
-    }
-    catch (Exception^ e)
-    {
-        Debug::WriteLine("[ERROR] MTConnector:sendVoidResponse(): " + e->Message);
-        return 0;
-    }
-    return 1;
+    return Execute<bool>([&expertHandle, &code, message]() {
+        MtResponseString^ res = gcnew MtResponseString(gcnew String(message));
+        res->ErrorCode = code;
+        MtAdapter::GetInstance()->SendResponse(expertHandle, res);
+        return true;
+    }, err, false);
 }
 
-int _stdcall sendDoubleArrayResponse(int expertHandle, double* values, int size)
+_DLLAPI bool _stdcall sendVoidResponse(int expertHandle, wchar_t* err)
 {
-    try
-    {
+    return Execute<bool>([&expertHandle]() {
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseObject(nullptr));
+        return true;
+    }, err, false);
+}
+
+_DLLAPI bool _stdcall sendDoubleArrayResponse(int expertHandle, double* values, int size, wchar_t* err)
+{
+    return Execute<bool>([&expertHandle, values, &size]() {
         array<double>^ list = gcnew array<double>(size);
-
-        for(int i = 0; i < size; i++)
+        for (int i = 0; i < size; i++)
         {
             list[i] = values[i];
         }
-
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseDoubleArray(list));
-    }
-    catch (Exception^ e)
-    {
-        Debug::WriteLine("[ERROR] MTConnector:sendDoubleArrayResponse(): " + e->Message);
-        return 0;
-    }
-    return 1;
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseDoubleArray(list));
+        return true;
+    }, err, false);
 }
 
-int _stdcall sendIntArrayResponse(int expertHandle, int* values, int size)
+_DLLAPI bool _stdcall sendIntArrayResponse(int expertHandle, int* values, int size, wchar_t* err)
 {
-    try
-    {
+    return Execute<bool>([&expertHandle, values, &size]() {
         array<int>^ list = gcnew array<int>(size);
-
-        for(int i = 0; i < size; i++)
+        for (int i = 0; i < size; i++)
         {
             list[i] = values[i];
         }
-
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseIntArray(list));
-    }
-    catch (Exception^ e)
-    {
-        Debug::WriteLine("[ERROR] MTConnector:sendIntArrayResponse(): " + e->Message);
-        return 0;
-    }
-    return 1;
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseIntArray(list));
+        return true;
+    }, err, false);
 }
 
-int _stdcall sendLongResponse(int expertHandle, __int64 response)
+_DLLAPI bool _stdcall sendLongResponse(int expertHandle, __int64 response, wchar_t* err)
 {
-    try
-    {
-        MtServerInstance::GetInstance()->SendResponse(expertHandle, gcnew MtResponseLong(response));
-    }
-    catch (Exception^ e)
-    {
-        Debug::WriteLine("[ERROR] MTConnector:sendLongResponse(): " + e->Message);
-        return 0;
-    }
-    return 1;
+    return Execute<bool>([&expertHandle, &response]() {
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseLong(response));
+        return true;
+    }, err, false);
 }
 
-int _stdcall getCommandType(int expertHandle, int* res)
+_DLLAPI bool _stdcall getCommandType(int expertHandle, int* res, wchar_t* err)
 {
-    try
-    {
-        *res = MtServerInstance::GetInstance()->GetCommandType(expertHandle);
-    }
-    catch (Exception^ e)
-    {
-        Debug::WriteLine("[ERROR] MTConnector:getCommandType(): " + e->Message);
-        return 0;
-    }
-    return 1;
+    return Execute<bool>([&expertHandle, res]() {
+        *res = MtAdapter::GetInstance()->GetCommandType(expertHandle);
+        return true;
+    }, err, false);
 }
 
-int _stdcall getIntValue(int expertHandle, int paramIndex, int* res)
+_DLLAPI bool _stdcall getIntValue(int expertHandle, int paramIndex, int* res, wchar_t* err)
 {
-    try
-    {
-        *res = (int)MtServerInstance::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
-    }
-    catch (Exception^ e)
-    {
-        Debug::WriteLine("[ERROR] MTConnector:getIntValue(): " + e->Message);
-        return 0;
-    }
-    return 1;
+    return Execute<bool>([&expertHandle, &paramIndex, res]() {
+        *res = (int)MtAdapter::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
+        return true;
+    }, err, false);
 }
 
-int _stdcall getDoubleValue(int expertHandle, int paramIndex, double* res)
+// --- index parameters
+
+_DLLAPI bool _stdcall getDoubleValue(int expertHandle, int paramIndex, double* res, wchar_t* err)
 {
-    try
-    {
-        *res = (double)MtServerInstance::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
-    }
-    catch (Exception^ e)
-    {
-        Debug::WriteLine("[ERROR] MTConnector:getDoubleValue(): " + e->Message);
-        return 0;
-    }
-    return 1;
+    return Execute<bool>([&expertHandle, &paramIndex, res]() {
+        *res = (double)MtAdapter::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
+        return true;
+    }, err, false);
 }
 
-int _stdcall getStringValue(int expertHandle, int paramIndex, wchar_t* res)
+_DLLAPI bool _stdcall getStringValue(int expertHandle, int paramIndex, wchar_t* res, wchar_t* err)
 {
-    try
-    {
-        convertSystemString(res, (String^)MtServerInstance::GetInstance()->GetCommandParameter(expertHandle, paramIndex));
-    }
-    catch (Exception^ e)
-    {
-        Debug::WriteLine("[ERROR] MTConnector:getStringValue(): " + e->Message);
-        return 0;
-    }
-    return 1;
+    return Execute<bool>([&expertHandle, &paramIndex, res]() {
+        convertSystemString(res, (String^)MtAdapter::GetInstance()->GetCommandParameter(expertHandle, paramIndex));
+        return true;
+    }, err, false);
 }
 
-int _stdcall getBooleanValue(int expertHandle, int paramIndex, int* res)
+_DLLAPI bool _stdcall getBooleanValue(int expertHandle, int paramIndex, int* res, wchar_t* err)
 {
-    try
-    {
-        bool val = (bool)MtServerInstance::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
-        *res = val == true ? 1 : 0;
-    }
-    catch (Exception^ e)
-    {
-        Debug::WriteLine("[ERROR] MT5Connector:getBooleanValue(): " + e->Message);
-        return 0;
-    }
-    return 1;
+    return Execute<bool>([&expertHandle, &paramIndex, res]() {
+        *res = (bool)MtAdapter::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
+        return true;
+    }, err, false);
+}
+
+_DLLAPI bool _stdcall getLongValue(int expertHandle, int paramIndex, __int64* res, wchar_t* err)
+{
+    return Execute<bool>([&expertHandle, &paramIndex, res]() {
+        *res = (__int64)MtAdapter::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
+        return true;
+    }, err, false);
+}
+
+// --- named parameters
+
+_DLLAPI bool _stdcall containsNamedValue(int expertHandle, wchar_t* paramName)
+{
+    wchar_t err[1000];
+    return Execute<bool>([&expertHandle, paramName]() {
+        return MtAdapter::GetInstance()->ContainsNamedParameter(expertHandle, gcnew String(paramName));
+    }, err, false);
+}
+
+_DLLAPI bool _stdcall getNamedIntValue(int expertHandle, wchar_t* paramName, int* res, wchar_t* err)
+{
+    return Execute<bool>([&expertHandle, paramName, res]() {
+        System::Object^ obj = MtAdapter::GetInstance()->GetNamedParameter(expertHandle, gcnew String(paramName));
+        *res = (int)obj;
+        return true;
+    }, err, false);
+}
+
+_DLLAPI bool _stdcall getNamedDoubleValue(int expertHandle, wchar_t* paramName, double* res, wchar_t* err)
+{
+    return Execute<bool>([&expertHandle, paramName, res]() {
+        System::Object^ obj = MtAdapter::GetInstance()->GetNamedParameter(expertHandle, gcnew String(paramName));
+        *res = (double)obj;
+        return true;
+    }, err, false);
+}
+
+_DLLAPI bool _stdcall getNamedStringValue(int expertHandle, wchar_t* paramName, wchar_t* res, wchar_t* err)
+{
+    return Execute<bool>([&expertHandle, paramName, res]() {
+        System::Object^ obj = MtAdapter::GetInstance()->GetNamedParameter(expertHandle, gcnew String(paramName));
+        convertSystemString(res, (String^)obj);
+        return true;
+    }, err, false);
+}
+
+_DLLAPI bool _stdcall getNamedBooleanValue(int expertHandle, wchar_t* paramName, int* res, wchar_t* err)
+{
+    return Execute<bool>([&expertHandle, paramName, res]() {
+        System::Object^ obj = MtAdapter::GetInstance()->GetNamedParameter(expertHandle, gcnew String(paramName));
+        *res = (bool)obj;
+        return true;
+    }, err, false);
+}
+
+_DLLAPI bool _stdcall getNamedLongValue(int expertHandle, wchar_t* paramName, __int64* res, wchar_t* err)
+{
+    return Execute<bool>([&expertHandle, paramName, res]() {
+        System::Object^ obj = MtAdapter::GetInstance()->GetNamedParameter(expertHandle, gcnew String(paramName));
+        if (obj != nullptr)
+            *res = (__int64)obj;
+        return true;
+    }, err, false);
 }

MTConnector/MTConnector.def

@@ -1,19 +0,0 @@
-LIBRARY MTConnector
-
-EXPORTS initExpert
-        deinitExpert
-        updateQuote
-        sendEvent
-        sendIntResponse
-        sendBooleanResponse
-        sendDoubleResponse
-        sendStringResponse
-        sendVoidResponse
-        sendDoubleArrayResponse
-        sendIntArrayResponse
-        sendLongResponse
-        getCommandType
-        getIntValue
-        getDoubleValue
-        getStringValue
-        getBooleanValue

MTConnector/MTConnector.vcxproj

@@ -96,7 +96,6 @@
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalDependencies>user32.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <ModuleDefinitionFile>.\MTConnector.def</ModuleDefinitionFile>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
@@ -109,7 +108,6 @@
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalDependencies>user32.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <ModuleDefinitionFile>.\MTConnector.def</ModuleDefinitionFile>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -121,7 +119,6 @@
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalDependencies>user32.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <ModuleDefinitionFile>.\MTConnector.def</ModuleDefinitionFile>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
@@ -133,7 +130,6 @@
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalDependencies>user32.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <ModuleDefinitionFile>.\MTConnector.def</ModuleDefinitionFile>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
@@ -154,7 +150,6 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="app.ico" />
-    <None Include="MTConnector.def" />
     <None Include="ReadMe.txt" />
   </ItemGroup>
   <ItemGroup>

MTConnector/MTConnector.vcxproj.filters

@@ -44,9 +44,6 @@
     <None Include="app.ico">
       <Filter>Resource Files</Filter>
     </None>
-    <None Include="MTConnector.def">
-      <Filter>Source Files</Filter>
-    </None>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="app.rc">

MtApi/ChartEventArgs.cs

@@ -0,0 +1,24 @@
+using System;
+
+namespace MtApi
+{
+    public class ChartEventArgs : EventArgs
+    {
+        internal ChartEventArgs(int expertHandle, MtChartEvent chartEvent)
+        {
+            ExpertHandle = expertHandle;
+            ChartId = chartEvent.ChartId;
+            EventId = chartEvent.EventId;
+            Lparam = chartEvent.Lparam;
+            Dparam = chartEvent.Dparam;
+            Sparam = chartEvent.Sparam;
+        }
+
+        public int ExpertHandle { get; }
+        public long ChartId { get; }
+        public int EventId { get; }
+        public long Lparam { get; }
+        public double Dparam { get; }
+        public string Sparam { get; }
+    }
+}

MtApi/EnumAlignMode.cs

@@ -0,0 +1,9 @@
+namespace MtApi
+{
+    public enum EnumAlignMode
+    {
+        ALIGN_LEFT      = 1,
+        ALIGN_CENTER    = 2,
+        ALIGN_RIGHT     = 0
+    }
+}

MtApi/EnumChartEvent.cs

@@ -0,0 +1,18 @@
+namespace MtApi
+{
+    public enum EnumChartEvent
+    {
+        CHARTEVENT_KEYDOWN          = 0,
+        CHARTEVENT_MOUSE_MOVE       = 10,
+        CHARTEVENT_OBJECT_CREATE    = 7,
+        CHARTEVENT_OBJECT_CHANGE    = 8,
+        CHARTEVENT_OBJECT_DELETE    = 6,
+        CHARTEVENT_CLICK            = 4,
+        CHARTEVENT_OBJECT_CLICK     = 1,
+        CHARTEVENT_OBJECT_DRAG      = 2,
+        CHARTEVENT_OBJECT_ENDEDIT   = 3,
+        CHARTEVENT_CHART_CHANGE     = 9,
+        CHARTEVENT_CUSTOM           = 1000,
+        CHARTEVENT_CUSTOM_LAST      = 66534
+    }
+}

MtApi/EnumChartPropertyDouble.cs

@@ -0,0 +1,13 @@
+namespace MtApi
+{
+    public enum EnumChartPropertyDouble
+    {
+        CHART_SHIFT_SIZE        = 3,
+        CHART_FIXED_POSITION    = 41,
+        CHART_FIXED_MAX         = 8,
+        CHART_FIXED_MIN         = 9,
+        CHART_POINTS_PER_BAR    = 11,
+        CHART_PRICE_MIN         = 108,
+        CHART_PRICE_MAX         = 109
+    }
+}

MtApi/EnumChartPropertyInteger.cs

@@ -0,0 +1,55 @@
+namespace MtApi
+{
+    public enum EnumChartPropertyInteger
+    {
+        CHART_BRING_TO_TOP          = 35,
+        CHART_MOUSE_SCROLL          = 42,
+        CHART_EVENT_MOUSE_MOVE      = 40,
+        CHART_EVENT_OBJECT_CREATE   = 38,
+        CHART_EVENT_OBJECT_DELETE   = 39,
+        CHART_MODE                  = 0,
+        CHART_FOREGROUND            = 1,
+        CHART_SHIFT                 = 2,
+        CHART_AUTOSCROLL            = 4,
+        CHART_QUICK_NAVIGATION      = 45,
+        CHART_SCALE                 = 5,
+        CHART_SCALEFIX              = 6,
+        CHART_SCALEFIX_11           = 7,
+        CHART_SCALE_PT_PER_BAR      = 10,
+        CHART_SHOW_OHLC             = 12,
+        CHART_SHOW_BID_LINE         = 13,
+        CHART_SHOW_ASK_LINE         = 14,
+        CHART_SHOW_LAST_LINE        = 15,
+        CHART_SHOW_PERIOD_SEP       = 16,
+        CHART_SHOW_GRID             = 17,
+        CHART_SHOW_VOLUMES          = 18,
+        CHART_SHOW_OBJECT_DESCR     = 19,
+        CHART_VISIBLE_BARS          = 100,
+        CHART_WINDOWS_TOTAL         = 101,
+        CHART_WINDOW_IS_VISIBLE     = 102,
+        CHART_WINDOW_HANDLE         = 103,
+        CHART_WINDOW_YDISTANCE      = 110,
+        CHART_FIRST_VISIBLE_BAR     = 104,
+        CHART_WIDTH_IN_BARS         = 105,
+        CHART_WIDTH_IN_PIXELS       = 106,
+        CHART_HEIGHT_IN_PIXELS      = 107,
+        CHART_COLOR_BACKGROUND      = 21,
+        CHART_COLOR_FOREGROUND      = 22,
+        CHART_COLOR_GRID            = 23,
+        CHART_COLOR_VOLUME          = 24,
+        CHART_COLOR_CHART_UP        = 25,
+        CHART_COLOR_CHART_DOWN      = 26,
+        CHART_COLOR_CHART_LINE      = 27,
+        CHART_COLOR_CANDLE_BULL     = 28,
+        CHART_COLOR_CANDLE_BEAR     = 29,
+        CHART_COLOR_BID             = 30,
+        CHART_COLOR_ASK             = 31,
+        CHART_COLOR_LAST            = 32,
+        CHART_COLOR_STOP_LEVEL      = 33,
+        CHART_SHOW_TRADE_LEVELS     = 34,
+        CHART_DRAG_TRADE_LEVELS     = 43,
+        CHART_SHOW_DATE_SCALE       = 36,
+        CHART_SHOW_PRICE_SCALE      = 37,
+        CHART_IS_OFFLINE            = 112
+    }
+}

MtApi/EnumChartPropertyString.cs

@@ -0,0 +1,7 @@
+namespace MtApi
+{
+    public enum EnumChartPropertyString
+    {
+        CHART_COMMENT = 20
+    }
+}

MtApi/EnumColorFormat.cs

@@ -0,0 +1,9 @@
+namespace MtApi
+{
+    enum EnumColorFormat
+    {
+        COLOR_FORMAT_XRGB_NOALPHA       = 0, //The component of the alpha channel is ignored
+        COLOR_FORMAT_ARGB_RAW           = 1, //Color components are not handled by the terminal (must be correctly set by the user)
+        COLOR_FORMAT_ARGB_NORMALIZE     = 2  //Color components are handled by the terminal
+    }
+}

MtApi/EnumObject.cs

@@ -0,0 +1,46 @@
+namespace MtApi
+{
+    public enum EnumObject
+    {
+        OBJ_VLINE               = 0, //Vertical Line
+        OBJ_HLINE               = 1, //Horizontal Line
+        OBJ_TREND               = 2, //Trend Line
+        BJ_TRENDBYANGLE         = 3, //Trend Line By Angle
+        OBJ_CYCLES              = 20, //Cycle Lines
+        OBJ_CHANNEL             = 5, //Equidistant Channel
+        OBJ_STDDEVCHANNEL       = 6, //Standard Deviation Channel
+        OBJ_REGRESSION          = 4, //Linear Regression Channel
+        OBJ_PITCHFORK           = 19, //Andrews’ Pitchfork
+        OBJ_GANNLINE            = 7, //Gann Line
+        OBJ_GANNFAN             = 8, //Gann Fan
+        OBJ_GANNGRID            = 9, //Gann Grid
+        OBJ_FIBO                = 10, //Fibonacci Retracement
+        OBJ_FIBOTIMES           = 11, //Fibonacci Time Zones
+        OBJ_FIBOFAN             = 12, //Fibonacci Fan
+        OBJ_FIBOARC             = 13, //Fibonacci Arcs
+        OBJ_FIBOCHANNEL         = 15, //Fibonacci Channel
+        OBJ_EXPANSION           = 14, //Fibonacci Expansion
+        OBJ_RECTANGLE           = 16, //Rectangle
+        OBJ_TRIANGLE            = 17, //Triangle
+        OBJ_ELLIPSE             = 18, //Ellipse
+        OBJ_ARROW_THUMB_UP      = 29, //Thumbs Up
+        OBJ_ARROW_THUMB_DOWN    = 30, //Thumbs Down
+        OBJ_ARROW_UP            = 31, //Arrow Up
+        OBJ_ARROW_DOWN          = 32, //Arrow Down
+        OBJ_ARROW_STOP          = 33, //Stop Sign
+        OBJ_ARROW_CHECK         = 34, //Check Sign
+        OBJ_ARROW_LEFT_PRICE    = 35, //Left Price Label
+        OBJ_ARROW_RIGHT_PRICE   = 36, //Right Price Label
+        OBJ_ARROW_BUY           = 37, //Buy Sign
+        OBJ_ARROW_SELL          = 38, //Sell Sign
+        OBJ_ARROW               = 22, //Arrow
+        OBJ_TEXT                = 21, //Text
+        OBJ_LABEL               = 23, //Label
+        OBJ_BUTTON              = 25, //Button
+        OBJ_BITMAP              = 26, //Bitmap
+        OBJ_BITMAP_LABEL        = 24, //Bitmap Label
+        OBJ_EDIT                = 27, //Edit
+        OBJ_EVENT               = 42, //The "Event" object corresponding to an event in the economic calendar
+        OBJ_RECTANGLE_LABEL     = 28 //The "Rectangle label" object for creating and designing the custom graphical interface.
+    }
+}

MtApi/EnumObjectPropertyDouble.cs

@@ -0,0 +1,11 @@
+namespace MtApi
+{
+    public enum EnumObjectPropertyDouble
+    {
+        OBJPROP_PRICE       = 20, // Price coordinate
+        OBJPROP_LEVELVALUE  = 204, // Level value
+        OBJPROP_SCALE       = 12, // Scale (properties of Gann objects, Fibonacci Arcs and Ellipse)
+        OBJPROP_ANGLE       = 13, // Angle.  For the objects with no angle specified, created from a program, the value is equal to EMPTY_VALUE
+        OBJPROP_DEVIATION   = 16, // Deviation for the Standard Deviation Channel
+    }
+}

MtApi/EnumObjectPropertyInteger.cs

@@ -0,0 +1,40 @@
+namespace MtApi
+{
+    public enum EnumObjectPropertyInteger
+    {
+        OBJPROP_COLOR           = 6,
+        OBJPROP_STYLE           = 7,
+        OBJPROP_WIDTH           = 8,
+        OBJPROP_BACK            = 9,
+        OBJPROP_ZORDER          = 207,
+        OBJPROP_HIDDEN          = 208,
+        OBJPROP_SELECTED        = 17,
+        OBJPROP_READONLY        = 1028,
+        OBJPROP_TYPE            = 18,
+        OBJPROP_TIME            = 19,
+        OBJPROP_SELECTABLE      = 1000,
+        OBJPROP_CREATETIME      = 998,
+        OBJPROP_LEVELS          = 200,
+        OBJPROP_LEVELCOLOR      = 201,
+        OBJPROP_LEVELSTYLE      = 202,
+        OBJPROP_LEVELWIDTH      = 203,
+        OBJPROP_ALIGN           = 1036,
+        OBJPROP_FONTSIZE        = 100,
+        OBJPROP_RAY_RIGHT       = 1004,
+        OBJPROP_ELLIPSE         = 11,
+        OBJPROP_ARROWCODE       = 14,
+        OBJPROP_TIMEFRAMES      = 15,
+        OBJPROP_ANCHOR          = 1011,
+        OBJPROP_XDISTANCE       = 102,
+        OBJPROP_YDISTANCE       = 103,
+        OBJPROP_STATE           = 1018,
+        OBJPROP_XSIZE           = 1019,
+        OBJPROP_YSIZE           = 1020,
+        OBJPROP_XOFFSET         = 1033,
+        OBJPROP_YOFFSET         = 1034,
+        OBJPROP_BGCOLOR         = 1025,
+        OBJPROP_CORNER          = 101,
+        OBJPROP_BORDER_TYPE     = 1029,
+        OBJPROP_BORDER_COLOR    = 1035
+    }
+}

MtApi/EnumObjectPropertyString.cs

@@ -0,0 +1,13 @@
+namespace MtApi
+{
+    public enum EnumObjectPropertyString
+    {
+        OBJPROP_NAME        = 1037,
+        OBJPROP_TEXT        = 999,
+        OBJPROP_TOOLTIP     = 206,
+        OBJPROP_LEVELTEXT   = 205,
+        OBJPROP_FONT        = 1001,
+        OBJPROP_BMPFILE     = 1017,
+        OBJPROP_SYMBOL      = 1021
+    }
+}

MtApi/ExtensionMethods.cs

@@ -1,42 +0,0 @@
-using System;
-using System.Threading.Tasks;
-
-namespace MtApi
-{
-    static class ExtensionMethods
-    {
-        #region Event Methods
-
-        public static Task FireEventAsync(this MtApiQuoteHandler evenHandler, object sender, string symbol, double bid, double ask)
-        {
-            return Task.Factory.StartNew(() =>
-            {
-                evenHandler?.Invoke(sender, symbol, bid, ask);
-            });
-        }
-
-        public static Task FireEventAsync(this EventHandler eventHandler, object sender)
-        {
-            return Task.Factory.StartNew(() =>
-            {
-                eventHandler?.Invoke(sender, EventArgs.Empty);
-            });
-        }
-
-        public static Task FireEventAsync<T>(this EventHandler<T> eventHandler, object sender, T e)
-            where T : EventArgs
-        {
-            return Task.Factory.StartNew(() =>
-            {
-                eventHandler?.Invoke(sender, e);
-            });
-        }
-
-        #endregion
-
-        public static MtQuote Convert(this MTApiService.MtQuote quote)
-        {
-            return (quote != null) ? new MtQuote(quote.Instrument, quote.Bid, quote.Ask) : null;
-        }
-    }
-}

MtApi/FlagFontStyle.cs

@@ -0,0 +1,30 @@
+using System;
+
+namespace MtApi
+{
+    [Flags]
+    public enum FlagFontStyle
+    {
+        //Flags for specifying font style
+        FONT_ITALIC     = -2147483648,
+        FONT_UNDERLINE  = 1073741824,
+        FONT_STRIKEOUT  = 536870912,
+
+        //Flags for specifying font width
+        FW_DONTCARE     = 0,
+        FW_THIN         = 1,
+        FW_EXTRALIGHT   = 2,
+        FW_ULTRALIGHT   = 3,
+        FW_LIGHT        = 4,
+        FW_NORMAL       = 5,
+        FW_REGULAR      = 6,
+        FW_MEDIUM       = 7,
+        FW_SEMIBOLD     = 8,
+        FW_DEMIBOLD     = 9,
+        FW_BOLD         = 10,
+        FW_EXTRABOLD    = 11,
+        FW_ULTRABOLD    = 12,
+        FW_HEAVY        = 13,
+        FW_BLACK        = 14
+    }
+}

MtApi/MtApi.csproj

@@ -58,16 +58,27 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="ChartEventArgs.cs" />
     <Compile Include="ChartPeriod.cs" />
+    <Compile Include="EnumAlignMode.cs" />
+    <Compile Include="EnumChartPropertyDouble.cs" />
+    <Compile Include="EnumChartPropertyInteger.cs" />
+    <Compile Include="EnumChartPropertyString.cs" />
+    <Compile Include="EnumColorFormat.cs" />
+    <Compile Include="EnumObject.cs" />
+    <Compile Include="EnumObjectPropertyDouble.cs" />
+    <Compile Include="EnumObjectPropertyInteger.cs" />
+    <Compile Include="EnumObjectPropertyString.cs" />
     <Compile Include="EnumSeriesInfoInteger.cs" />
     <Compile Include="EnumSymbolInfoDouble.cs" />
     <Compile Include="EnumSymbolInfoInteger.cs" />
     <Compile Include="EnumTerminalInfoDouble.cs" />
     <Compile Include="EnumTerminalInfoInteger.cs" />
-    <Compile Include="ExtensionMethods.cs" />
+    <Compile Include="FlagFontStyle.cs" />
     <Compile Include="Monitors\AvailabilityOrdersEventArgs.cs" />
     <Compile Include="MqlRates.cs" />
     <Compile Include="MqlTick.cs" />
+    <Compile Include="MtChartEvent.cs" />
     <Compile Include="MtConnectionEventArgs.cs" />
     <Compile Include="MtConnectionException.cs" />
     <Compile Include="MtConnectionState.cs" />

MtApi/MtApiColorConverter.cs

@@ -13,9 +13,9 @@ namespace MtApi
             return Color.FromArgb((byte)(color), (byte)(color >> 8), (byte)(color >> 16));
         }
 
-        public static int ConvertToMtColor(Color color)
+        public static int ConvertToMtColor(Color? color)
         {
-            return color == Color.Empty ? 0xffffff : (Color.FromArgb(color.B, color.G, color.R).ToArgb() & 0xffffff);
+            return color == null || color == Color.Empty ? 0xffffff : (Color.FromArgb(color.Value.B, color.Value.G, color.Value.R).ToArgb() & 0xffffff);
         }
     }
 }

MtApi/MtApiTimeConverter.cs

@@ -13,13 +13,13 @@ namespace MtApi
             return new DateTime(tmpTime.Ticks + (time * 0x989680L));
         }
 
-        public static int ConvertToMtTime(DateTime time)
+        public static int ConvertToMtTime(DateTime? time)
         {
             int result = 0;
-            if (time != DateTime.MinValue)
+            if (time != null && time != DateTime.MinValue)
             {
                 DateTime tmpTime = new DateTime(1970, 1, 1);
-                result = (int)((time.Ticks - tmpTime.Ticks) / 0x989680L);
+                result = (int)((time.Value.Ticks - tmpTime.Ticks) / 0x989680L);
             }
             return result;
         }

MtApi/MtChartEvent.cs

@@ -0,0 +1,11 @@
+namespace MtApi
+{
+    internal class MtChartEvent
+    {
+        public long ChartId { get; set; }
+        public int EventId { get; set; }
+        public long Lparam { get; set; }
+        public double Dparam { get; set; }
+        public string Sparam { get; set; }
+    }
+}

MtApi/MtCommandType.cs

@@ -1,9 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-
-namespace MtApi
+namespace MtApi
 {
     enum MtCommandType
     {
@@ -140,8 +135,8 @@ namespace MtApi
         iBullsPower                         = 106,
         iCCI                                = 107,
         iCCIOnArray                         = 108,
-        iCustom                             = 109,
-        iCustom_d                           = 10109,
+        //iCustom                             = 109,
+        //iCustom_d                           = 10109,
         iDeMarker                           = 110,
         iEnvelopes                          = 111,
         iEnvelopesOnArray                   = 112,
@@ -201,6 +196,87 @@ namespace MtApi
         SymbolsTotal                        = 200,
         SymbolName                          = 201,
         SymbolSelect                        = 202,
-        SymbolInfoInteger                   = 203
+        SymbolInfoInteger                   = 203,
+
+        //Object Functions
+        ObjectCreate                        = 208,
+        ObjectName                          = 209,
+        ObjectDelete                        = 210,
+        ObjectsDeleteAll                    = 211,
+        ObjectFind                          = 212,
+        ObjectGetTimeByValue                = 213,
+        ObjectGetValueByTime                = 214,
+        ObjectMove                          = 215,
+        ObjectsTotal                        = 216,
+        ObjectGetDouble                     = 217,
+        ObjectGetInteger                    = 218,
+        ObjectGetString                     = 219,
+        ObjectSetDouble                     = 220,
+        ObjectSetInteger                    = 221,
+        ObjectSetString                     = 222,
+        TextSetFont                         = 223,
+        TextOut                             = 224,
+        TextGetSize                         = 225,
+        ObjectDescription                   = 226,
+        ObjectGet                           = 227,
+        ObjectGetFiboDescription            = 228,
+        ObjectGetShiftByValue               = 229,
+        ObjectGetValueByShift               = 230,
+        ObjectSet                           = 231,
+        ObjectSetFiboDescription            = 232,
+        ObjectSetText                       = 233,
+        ObjectType                          = 234,
+
+        UnlockTicks                         = 235,
+
+        //Chart Operations
+        ChartId                             = 206,
+        ChartRedraw                         = 207,
+        ChartApplyTemplate                  = 236,
+        ChartSaveTemplate                   = 237,
+        ChartWindowFind                     = 238,
+        ChartTimePriceToXY                  = 239,
+        ChartXYToTimePrice                  = 240,
+        ChartOpen                           = 241,
+        ChartFirst                          = 242,
+        ChartNext                           = 243,
+        ChartClose                          = 244,
+        ChartSymbol                         = 245,
+        ChartPeriod                         = 246,
+        ChartSetDouble                      = 247,
+        ChartSetInteger                     = 248,
+        ChartSetString                      = 249,
+        ChartGetDouble                      = 250,
+        ChartGetInteger                     = 251,
+        ChartGetString                      = 252,
+        ChartNavigate                       = 253,
+        ChartIndicatorDelete                = 254,
+        ChartIndicatorName                  = 255,
+        ChartIndicatorsTotal                = 256,
+        ChartWindowOnDropped                = 257,
+        ChartPriceOnDropped                 = 258,
+        ChartTimeOnDropped                  = 259,
+        ChartXOnDropped                     = 260,
+        ChartYOnDropped                     = 261,
+        ChartSetSymbolPeriod                = 262,
+        ChartScreenShot                     = 263,
+        WindowBarsPerChart                  = 264,
+        WindowExpertName                    = 265,
+        WindowFind                          = 266,
+        WindowFirstVisibleBar               = 267,
+        WindowHandle                        = 268,
+        WindowIsVisible                     = 269,
+        WindowOnDropped                     = 270,
+        WindowPriceMax                      = 271,
+        WindowPriceMin                      = 272,
+        WindowPriceOnDropped                = 273,
+        WindowRedraw                        = 274,
+        WindowScreenShot                    = 275,
+        WindowTimeOnDropped                 = 276,
+        WindowsTotal                        = 277,
+        WindowXOnDropped                    = 278,
+        WindowYOnDropped                    = 279,
+
+        ChangeAccount                       = 280
     }
 }

MtApi/MtConnectionEventArgs.cs

@@ -1,14 +1,11 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 
 namespace MtApi
 {
     public class MtConnectionEventArgs: EventArgs
     {
         public MtConnectionState Status { get; private set; }
-        public String ConnectionMessage { get; private set; }
+        public string ConnectionMessage { get; private set; }
 
         public MtConnectionEventArgs(MtConnectionState status, string message)
         {

MtApi/MtEventTypes.cs

@@ -2,6 +2,7 @@
 {
     public enum MtEventTypes
     {
-        LastTimeBar = 1
+        LastTimeBar = 1,
+        ChartEvent  = 2
     }
 }

MtApi/MtQuote.cs

@@ -5,6 +5,7 @@
         public string Instrument { get; private set; }
         public double Bid { get; private set; }
         public double Ask { get; private set; }
+        public int ExpertHandle { get; private set; }
 
         public MtQuote(string instrument, double bid, double ask)
         {
@@ -12,5 +13,13 @@
             Bid = bid;
             Ask = ask;
         }
+
+        internal MtQuote(MTApiService.MtQuote quote)
+        {
+            Instrument = quote.Instrument;
+            Bid = quote.Bid;
+            Ask = quote.Ask;
+            ExpertHandle = quote.ExpertHandle;
+        }
     }
 }

MtApi/MtQuoteEventArgs.cs

@@ -1,7 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 
 namespace MtApi
 {

MtApi/MtTimeBar.cs

@@ -11,16 +11,7 @@ namespace MtApi
         public double Close { get; set; }
         public double High { get; set; }
         public double Low { get; set; }
-
-        public DateTime OpenTime
-        {
-            get { return MtApiTimeConverter.ConvertFromMtTime(MtOpenTime); }
-        }
-
-        public DateTime CloseTime
-        {
-            get { return MtApiTimeConverter.ConvertFromMtTime(MtCloseTime); }
-        }
-
+        public DateTime OpenTime => MtApiTimeConverter.ConvertFromMtTime(MtOpenTime);
+        public DateTime CloseTime => MtApiTimeConverter.ConvertFromMtTime(MtCloseTime);
     }
 }

MtApi/Properties/AssemblyInfo.cs

@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.32.1")]
-[assembly: AssemblyFileVersion("1.0.32.1")]
+[assembly: AssemblyVersion("1.0.38.0")]
+[assembly: AssemblyFileVersion("1.0.38.0")]

MtApi/TimeBarArgs.cs

@@ -1,18 +1,21 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace MtApi
 {
     public class TimeBarArgs: EventArgs
     {
+        internal TimeBarArgs(int expertHandle, MtTimeBar timeBar)
+            : this(timeBar)
+        {
+            ExpertHandle = expertHandle;
+        }
+
         public TimeBarArgs(MtTimeBar timeBar)
         {
             TimeBar = timeBar;
         }
 
-        public MtTimeBar TimeBar { get; private set; }
+        public int ExpertHandle { get; }
+        public MtTimeBar TimeBar { get; }
     }
 }

MtApi5/ExtensionMethods.cs

@@ -1,21 +0,0 @@
-using System;
-
-namespace MtApi5
-{
-    internal static class ExtensionMethods
-    {
-        #region Event Methods
-        public static void FireEvent(this EventHandler eventHandler, object sender)
-        {
-            eventHandler?.Invoke(sender, EventArgs.Empty);
-        }
-
-        public static void FireEvent<T>(this EventHandler<T> eventHandler, object sender, T e)
-            where T : EventArgs
-        {
-            eventHandler?.Invoke(sender, e);
-        }
-
-        #endregion
-    }
-}

MtApi5/MqlTradeRequest.cs

@@ -5,7 +5,7 @@ namespace MtApi5
     public class MqlTradeRequest
     {
         public ENUM_TRADE_REQUEST_ACTIONS Action { get; set; }           // Trade operation type
-        public uint Magic { get; set; }                                 // Expert Advisor ID (magic number)
+        public ulong Magic { get; set; }                                 // Expert Advisor ID (magic number)
         public ulong Order { get; set; }                                 // Order ticket
         public string Symbol { get; set; }                               // Trade symbol
         public double Volume { get; set; }                               // Requested volume for a deal in lots
@@ -19,5 +19,7 @@ namespace MtApi5
         public ENUM_ORDER_TYPE_TIME Type_time { get; set; }              // Order expiration type
         public DateTime Expiration { get; set; }                         // Order expiration time (for the orders of ORDER_TIME_SPECIFIED type)
         public string Comment { get; set; }                              // Order comment
+        public ulong Position { get; set; }                              // Position ticket
+        public ulong PositionBy { get; set; }                            // The ticket of an opposite position
     }
 }

MtApi5/Mt5CommandType.cs

@@ -114,5 +114,7 @@ namespace MtApi5
 
         //Requests
         MtRequest                           = 155,
+
+        PositionSelectByTicket              = 69
     }
 }

MtApi5/Mt5ConnectionEventArgs.cs

@@ -1,14 +1,11 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 
 namespace MtApi5
 {
     public class Mt5ConnectionEventArgs: EventArgs
     {
         public Mt5ConnectionState Status { get; private set; }
-        public String ConnectionMessage { get; private set; }
+        public string ConnectionMessage { get; private set; }
 
         public Mt5ConnectionEventArgs(Mt5ConnectionState status, string message)
         {

MtApi5/Mt5Enums.cs

@@ -1,200 +1,10 @@
 namespace MtApi5
 {
-    public enum ENUM_TRADE_REQUEST_ACTIONS
-    {
-        TRADE_ACTION_DEAL = 1,      //Place a trade order for an immediate execution with the specified parameters (market order)
-        TRADE_ACTION_PENDING = 5,   //Place a trade order for an immediate execution with the specified parameters (market order)
-        TRADE_ACTION_SLTP = 6,      //Place a trade order for an immediate execution with the specified parameters (market order)
-        TRADE_ACTION_MODIFY = 7,    //Place a trade order for an immediate execution with the specified parameters (market order)
-        TRADE_ACTION_REMOVE = 8     //Place a trade order for an immediate execution with the specified parameters (market order)
-    }
 
-    public enum ENUM_ORDER_TYPE
-    {
-        ORDER_TYPE_BUY = 0,             //Market Buy order
-        ORDER_TYPE_SELL = 1,            //Market Sell order
-        ORDER_TYPE_BUY_LIMIT = 2,       //Buy Limit pending order
-        ORDER_TYPE_SELL_LIMIT = 3,      //Sell Limit pending order
-        ORDER_TYPE_BUY_STOP = 4,        //Buy Stop pending order
-        ORDER_TYPE_SELL_STOP = 5,       //Sell Stop pending order
-        ORDER_TYPE_BUY_STOP_LIMIT = 6,  //Upon reaching the order price, a pending Buy Limit order is places at the StopLimit price
-        ORDER_TYPE_SELL_STOP_LIMIT = 7,  //Upon reaching the order price, a pending Sell Limit order is places at the StopLimit price
-    }
-
-    public enum ENUM_ORDER_TYPE_FILLING
-    {
-        ORDER_FILLING_FOK = 0,
-        ORDER_FILLING_IOC = 1,
-        ORDER_FILLING_RETURN = 2
-    }
-
-    public enum ENUM_ORDER_TYPE_TIME
-    {
-        ORDER_TIME_GTC = 0,
-        ORDER_TIME_DAY = 1,
-        ORDER_TIME_SPECIFIED = 2,
-        ORDER_TIME_SPECIFIED_DAY = 3
-    }
-
-    public enum ENUM_POSITION_PROPERTY_DOUBLE
-    {
-        POSITION_VOLUME = 3,            //Position volume
-        POSITION_PRICE_OPEN = 4,        //Position open price
-        POSITION_SL = 6,                //Stop Loss level of opened position
-        POSITION_TP = 7,                //Take Profit level of opened position
-        POSITION_PRICE_CURRENT = 5,     //Current price of the position symbol
-        POSITION_COMMISSION = 8,        //Commission
-        POSITION_SWAP = 9,              //Cumulative swap
-        POSITION_PROFIT = 10            //Current profit
-    }
-
-    public enum ENUM_POSITION_PROPERTY_INTEGER
-    {
-        POSITION_TIME = 1,           //Position open time
-        POSITION_TYPE = 2,           //Position type
-        POSITION_MAGIC = 12,         //Position magic number
-        POSITION_IDENTIFIER = 13     //Position identifier is a unique number that is assigned to every newly opened position and doesn't change during the entire lifetime of the position. Position turnover doesn't change its identifier.
-    }
-
-    public enum ENUM_POSITION_TYPE
-    {
-        POSITION_TYPE_BUY = 0,      //Buy
-        POSITION_TYPE_SELL = 1      //Sell
-    }
-
-    public enum ENUM_POSITION_PROPERTY_STRING
-    {
-        POSITION_SYMBOL = 0,    //Symbol of the position
-        POSITION_COMMENT = 11   //Position comment
-    }
-
-    public enum ENUM_ORDER_PROPERTY_DOUBLE
-    {
-        ORDER_VOLUME_INITIAL = 7,   //Order initial volume
-        ORDER_VOLUME_CURRENT = 8,   //Order current volume
-        ORDER_PRICE_OPEN = 9,       //Price specified in the order
-        ORDER_SL = 12,               //Stop Loss value
-        ORDER_TP = 13,               //Take Profit value
-        ORDER_PRICE_CURRENT = 10,    //The current price of the order symbol
-        ORDER_PRICE_STOPLIMIT = 11   //The Limit order price for the StopLimit order
-    }
-
-    public enum ENUM_ORDER_PROPERTY_STRING
-    {
-        ORDER_SYMBOL = 0,           //Symbol of the order
-        ORDER_COMMENT = 16           //Order comment
-    }
-
-    public enum ENUM_ORDER_PROPERTY_INTEGER
-    {
-        ORDER_TIME_SETUP = 1,       //Order setup time
-        ORDER_TYPE = 4,             //Order type
-        ORDER_STATE = 14,            //Order state
-        ORDER_TIME_EXPIRATION = 2,  //Order expiration time
-        ORDER_TIME_DONE = 3,        //Order execution or cancellation time
-        ORDER_TYPE_FILLING = 5,     //Order filling type
-        ORDER_TYPE_TIME = 6,        //Order lifetime
-        ORDER_MAGIC = 15,            //ID of an Expert Advisor that has placed the order (designed to ensure that each Expert Advisor places its own unique number)
-        ORDER_POSITION_ID = 17       //Position identifier that is set to an order as soon as it is executed. Each executed order results in a deal that opens or modifies an already existing position. The identifier of exactly this position is set to the executed order at this moment.
-    }
-
-    public enum ENUM_DEAL_PROPERTY_DOUBLE
-    {
-        DEAL_VOLUME = 5,
-        DEAL_PRICE = 6,
-        DEAL_COMMISSION = 7,
-        DEAL_SWAP = 8,
-        DEAL_PROFIT = 9
-    }
-
-    public enum ENUM_DEAL_PROPERTY_STRING
-    {
-        DEAL_SYMBOL = 0,
-        DEAL_COMMENT = 10
-    }
-
-    public enum ENUM_DEAL_TYPE
-    {
-        DEAL_TYPE_BUY = 0,
-        DEAL_TYPE_SELL = 1,
-        DEAL_TYPE_BALANCE = 2,
-        DEAL_TYPE_CREDIT = 3,
-        DEAL_TYPE_CHARGE = 4,
-        DEAL_TYPE_CORRECTION = 5,
-        DEAL_TYPE_BONUS = 6,
-        DEAL_TYPE_COMMISSION = 7,
-        DEAL_TYPE_COMMISSION_DAILY = 8,
-        DEAL_TYPE_COMMISSION_MONTHLY = 9,
-        DEAL_TYPE_COMMISSION_AGENT_DAILY = 10,
-        DEAL_TYPE_COMMISSION_AGENT_MONTHLY = 11,
-        DEAL_TYPE_INTEREST = 12,
-        DEAL_TYPE_BUY_CANCELED = 13,
-        DEAL_TYPE_SELL_CANCELED = 14
-    }
-
-    public enum ENUM_DEAL_ENTRY
-    {
-        DEAL_ENTRY_IN = 0,
-        DEAL_ENTRY_OUT = 1,
-        DEAL_ENTRY_INOUT = 2,
-        DEAL_ENTRY_STATE = 255
-    }
-
-    public enum ENUM_DEAL_PROPERTY_INTEGER
-    {
-        DEAL_ORDER = 1,
-        DEAL_TIME = 2,
-        DEAL_TYPE = 3,
-        DEAL_ENTRY = 4,
-        DEAL_MAGIC = 11,
-        DEAL_POSITION_ID = 12
-    }
-
-    public enum ENUM_ACCOUNT_INFO_INTEGER
-    {
-        ACCOUNT_LOGIN = 0,
-        ACCOUNT_TRADE_MODE = 32,
-        ACCOUNT_LEVERAGE = 35,
-        ACCOUNT_LIMIT_ORDERS = 47,
-        ACCOUNT_MARGIN_SO_MODE = 44,
-        ACCOUNT_TRADE_ALLOWED = 33,
-        ACCOUNT_TRADE_EXPERT = 34
-    }
-
-    public enum ENUM_ACCOUNT_INFO_DOUBLE
-    {
-        ACCOUNT_BALANCE = 37,
-        ACCOUNT_CREDIT = 38,
-        ACCOUNT_PROFIT = 39,
-        ACCOUNT_EQUITY = 40,
-        ACCOUNT_MARGIN = 41,
-        ACCOUNT_FREEMARGIN = 42,
-        ACCOUNT_MARGIN_LEVEL = 43,
-        ACCOUNT_MARGIN_SO_CALL = 45,
-        ACCOUNT_MARGIN_SO_SO = 46
-    }
-
-    public enum ENUM_ACCOUNT_INFO_STRING
-    {
-        ACCOUNT_NAME = 1,
-        ACCOUNT_SERVER = 3,
-        ACCOUNT_CURRENCY = 36,
-        ACCOUNT_COMPANY = 2
-    }
-
-    public enum ENUM_ACCOUNT_TRADE_MODE
-    {
-        ACCOUNT_TRADE_MODE_DEMO = 0,
-        ACCOUNT_TRADE_MODE_CONTEST = 1,
-        ACCOUNT_TRADE_MODE_REAL = 2
-    }
-
-    public enum ENUM_ACCOUNT_STOPOUT_MODE
-    {
-        ACCOUNT_STOPOUT_MODE_PERCENT = 0,
-        ACCOUNT_STOPOUT_MODE_MONEY = 1
-    }
+    // Chart Constants:
 
+    #region Chart Timeframes
+    
     public enum ENUM_TIMEFRAMES
     {
         PERIOD_CURRENT = 0,
@@ -221,19 +31,66 @@
         PERIOD_MN1 = 49153
     }
 
-    public enum ENUM_SERIES_INFO_INTEGER
+    #endregion //Chart Timeframes
+
+
+    // Environment State:
+
+    #region Client Terminal Properties
+
+    public enum ENUM_TERMINAL_INFO_INTEGER
     {
-        SERIES_BARS_COUNT = 0,
-        SERIES_FIRSTDATE = 1,
-        SERIES_LASTBAR_DATE = 5,
-        SERIES_SERVER_FIRSTDATE = 2,
-        SERIES_TERMINAL_FIRSTDATE = 3,
-        SERIES_SYNCHRONIZED = 4
+        TERMINAL_BUILD = 5,
+        TERMINAL_COMMUNITY_ACCOUNT = 23,
+        TERMINAL_COMMUNITY_CONNECTION = 24,
+        TERMINAL_CONNECTED = 6,
+        TERMINAL_DLLS_ALLOWED = 7,
+        TERMINAL_TRADE_ALLOWED = 8,
+        TERMINAL_EMAIL_ENABLED = 9,
+        TERMINAL_FTP_ENABLED = 10,
+        TERMINAL_NOTIFICATIONS_ENABLED = 26,
+        TERMINAL_MAXBARS = 11,
+        TERMINAL_MQID = 22,
+        TERMINAL_CODEPAGE = 12,
+        TERMINAL_CPU_CORES = 21,
+        TERMINAL_DISK_SPACE = 20,
+        TERMINAL_MEMORY_PHYSICAL = 14,
+        TERMINAL_MEMORY_TOTAL = 15,
+        TERMINAL_MEMORY_AVAILABLE = 16,
+        TERMINAL_MEMORY_USED = 17,
+        TERMINAL_X64 = 18,
+        TERMINAL_OPENCL_SUPPORT = 19,
+        TERMINAL_SCREEN_DPI = 27,
+        TERMINAL_PING_LAST = 29
     }
 
+    public enum ENUM_TERMINAL_INFO_DOUBLE
+    {
+        TERMINAL_COMMUNITY_BALANCE = 25
+    }
+
+    public enum ENUM_TERMINAL_INFO_STRING
+    {
+        TERMINAL_LANGUAGE = 13,
+        TERMINAL_COMPANY = 0,
+        TERMINAL_NAME = 1,
+        TERMINAL_PATH = 2,
+        TERMINAL_DATA_PATH = 3,
+        TERMINAL_COMMONDATA_PATH = 4
+    }
+
+    #endregion //Client Terminal Properties
+
+    #region Symbol Properties
+
     public enum ENUM_SYMBOL_INFO_INTEGER
     {
+        SYMBOL_CUSTOM = 78,
+        SYMBOL_BACKGROUND_COLOR = 79,
+        SYMBOL_CHART_MODE = 80,
         SYMBOL_SELECT = 0,
+        //FIXME: SYMBOL_VISIBLE not found in MQL5 environment!
+        //SYMBOL_VISIBLE = ?
         SYMBOL_SESSION_DEALS = 56,
         SYMBOL_SESSION_BUY_ORDERS = 60,
         SYMBOL_SESSION_SELL_ORDERS = 62,
@@ -254,8 +111,14 @@
         SYMBOL_TRADE_EXEMODE = 33,
         SYMBOL_SWAP_MODE = 37,
         SYMBOL_SWAP_ROLLOVER3DAYS = 40,
+        SYMBOL_MARGIN_HEDGED_USE_LEG = 82,
         SYMBOL_EXPIRATION_MODE = 49,
-        SYMBOL_FILLING_MODE = 50
+        SYMBOL_FILLING_MODE = 50,
+        SYMBOL_ORDER_MODE = 71,
+        SYMBOL_ORDER_GTC_MODE = 81,
+        SYMBOL_ORDER_CLOSEBY = 64,
+        SYMBOL_OPTION_MODE = 75,
+        SYMBOL_OPTION_RIGHT = 74,
     }
 
     public enum ENUM_SYMBOL_INFO_DOUBLE
@@ -269,12 +132,16 @@
         SYMBOL_LAST = 7,
         SYMBOL_LASTHIGH = 8,
         SYMBOL_LASTLOW = 9,
+        SYMBOL_OPTION_STRIKE = 72,
         SYMBOL_POINT = 16,
         SYMBOL_TRADE_TICK_VALUE = 26,
         SYMBOL_TRADE_TICK_VALUE_PROFIT = 53,
         SYMBOL_TRADE_TICK_VALUE_LOSS = 54,
         SYMBOL_TRADE_TICK_SIZE = 27,
         SYMBOL_TRADE_CONTRACT_SIZE = 28,
+        SYMBOL_TRADE_ACCRUED_INTEREST = 87,
+        SYMBOL_TRADE_FACE_VALUE = 86,
+        SYMBOL_TRADE_LIQUIDITY_RATE = 85,
         SYMBOL_VOLUME_MIN = 34,
         SYMBOL_VOLUME_MAX = 35,
         SYMBOL_VOLUME_STEP = 36,
@@ -283,11 +150,11 @@
         SYMBOL_SWAP_SHORT = 39,
         SYMBOL_MARGIN_INITIAL = 42,
         SYMBOL_MARGIN_MAINTENANCE = 43,
-        SYMBOL_MARGIN_LONG = 44,
-        SYMBOL_MARGIN_SHORT = 45,
-        SYMBOL_MARGIN_LIMIT = 46,
-        SYMBOL_MARGIN_STOP = 47,
-        SYMBOL_MARGIN_STOPLIMIT = 48,
+        SYMBOL_MARGIN_LONG = 44,        //FIXME: Undocumented!
+        SYMBOL_MARGIN_SHORT = 45,       //FIXME: Undocumented!
+        SYMBOL_MARGIN_LIMIT = 46,       //FIXME: Undocumented!
+        SYMBOL_MARGIN_STOP = 47,        //FIXME: Undocumented!
+        SYMBOL_MARGIN_STOPLIMIT = 48,   //FIXME: Undocumented!
         SYMBOL_SESSION_VOLUME = 57,
         SYMBOL_SESSION_TURNOVER = 58,
         SYMBOL_SESSION_INTEREST = 59,
@@ -298,20 +165,80 @@
         SYMBOL_SESSION_AW = 66,
         SYMBOL_SESSION_PRICE_SETTLEMENT = 67,
         SYMBOL_SESSION_PRICE_LIMIT_MIN = 68,
-        SYMBOL_SESSION_PRICE_LIMIT_MAX = 69
+        SYMBOL_SESSION_PRICE_LIMIT_MAX = 69,
+        SYMBOL_MARGIN_HEDGED = 77
     }
 
     public enum ENUM_SYMBOL_INFO_STRING
     {
+        SYMBOL_BASIS = 73,
         SYMBOL_CURRENCY_BASE = 22,
         SYMBOL_CURRENCY_PROFIT = 23,
         SYMBOL_CURRENCY_MARGIN = 24,
         SYMBOL_BANK = 19,
         SYMBOL_DESCRIPTION = 20,
+        SYMBOL_FORMULA = 84,
+        SYMBOL_PAGE = 83,
         SYMBOL_ISIN = 70,
         SYMBOL_PATH = 21
     }
 
+    public enum ENUM_SYMBOL_CHART_MODE
+    {
+        SYMBOL_CHART_MODE_BID = 0,
+        SYMBOL_CHART_MODE_LAST = 1
+    }
+
+    public enum ENUM_SYMBOL_ORDER_GTC_MODE
+    {
+        SYMBOL_ORDERS_GTC = 0,
+        SYMBOL_ORDERS_DAILY = 1,
+        SYMBOL_ORDERS_DAILY_EXCLUDING_STOPS = 2
+    }
+
+    public enum ENUM_SYMBOL_CALC_MODE
+    {
+        SYMBOL_CALC_MODE_FOREX = 0,
+        SYMBOL_CALC_MODE_FUTURES = 1,
+        SYMBOL_CALC_MODE_CFD = 2,
+        SYMBOL_CALC_MODE_CFDINDEX = 3,
+        SYMBOL_CALC_MODE_CFDLEVERAGE = 4,
+        SYMBOL_CALC_MODE_EXCH_STOCKS = 32,
+        SYMBOL_CALC_MODE_EXCH_FUTURES = 33,
+        SYMBOL_CALC_MODE_EXCH_FUTURES_FORTS = 34,
+        SYMBOL_CALC_MODE_SERV_COLLATERAL = 64
+    }
+
+    public enum ENUM_SYMBOL_TRADE_MODE
+    {
+        SYMBOL_TRADE_MODE_DISABLED = 0,
+        SYMBOL_TRADE_MODE_LONGONLY = 1,
+        SYMBOL_TRADE_MODE_SHORTONLY = 2,
+        SYMBOL_TRADE_MODE_CLOSEONLY = 3,
+        SYMBOL_TRADE_MODE_FULL = 4
+    }
+
+    public enum ENUM_SYMBOL_TRADE_EXECUTION
+    {
+        SYMBOL_TRADE_EXECUTION_REQUEST = 0,
+        SYMBOL_TRADE_EXECUTION_INSTANT = 1,
+        SYMBOL_TRADE_EXECUTION_MARKET = 2,
+        SYMBOL_TRADE_EXECUTION_EXCHANGE = 3
+    }
+
+    public enum ENUM_SYMBOL_SWAP_MODE
+    {
+        SYMBOL_SWAP_MODE_DISABLED = 0,
+        SYMBOL_SWAP_MODE_POINTS = 1,
+        SYMBOL_SWAP_MODE_CURRENCY_SYMBOL = 2,
+        SYMBOL_SWAP_MODE_CURRENCY_MARGIN = 3,
+        SYMBOL_SWAP_MODE_CURRENCY_DEPOSIT = 4,
+        SYMBOL_SWAP_MODE_INTEREST_CURRENT = 5,
+        SYMBOL_SWAP_MODE_INTEREST_OPEN = 6,
+        SYMBOL_SWAP_MODE_REOPEN_CURRENT = 7,
+        SYMBOL_SWAP_MODE_REOPEN_BID = 8
+    }
+
     public enum ENUM_DAY_OF_WEEK
     {
         SUNDAY = 0,
@@ -323,11 +250,360 @@
         SATURDAY = 6
     }
 
+    public enum ENUM_SYMBOL_OPTION_RIGHT
+    {
+        SYMBOL_OPTION_RIGHT_CALL = 0,
+        SYMBOL_OPTION_RIGHT_PUT = 1
+    }
+
+    public enum ENUM_SYMBOL_OPTION_MODE
+    {
+        SYMBOL_OPTION_MODE_EUROPEAN = 0,
+        SYMBOL_OPTION_MODE_AMERICAN = 1
+    }
+
+    #endregion //Symbol Properties
+
+    #region Account Properties
+
+    public enum ENUM_ACCOUNT_INFO_INTEGER
+    {
+        ACCOUNT_LOGIN = 0,              //Account number
+        ACCOUNT_TRADE_MODE = 32,        //Account trade mode
+        ACCOUNT_LEVERAGE = 35,          //Account leverage
+        ACCOUNT_LIMIT_ORDERS = 47,      //Maximum allowed number of active pending orders
+        ACCOUNT_MARGIN_SO_MODE = 44,    //Mode for setting the minimal allowed margin
+        ACCOUNT_TRADE_ALLOWED = 33,     //Allowed trade for the current account
+        ACCOUNT_TRADE_EXPERT = 34,      //Allowed trade for an Expert Advisor
+        ACCOUNT_MARGIN_MODE = 53        //Margin calculation mode
+    }
+
+    public enum ENUM_ACCOUNT_INFO_DOUBLE
+    {
+        ACCOUNT_BALANCE = 37,               //Account balance in the deposit currency
+        ACCOUNT_CREDIT = 38,                //Account credit in the deposit currency
+        ACCOUNT_PROFIT = 39,                //Current profit of an account in the deposit currency
+        ACCOUNT_EQUITY = 40,                //Account equity in the deposit currency
+        ACCOUNT_MARGIN = 41,                //Account margin used in the deposit currency
+        ACCOUNT_MARGIN_FREE = 42,           //Free margin of an account in the deposit currency
+        ACCOUNT_MARGIN_LEVEL = 43,          //Account margin level in percents
+        ACCOUNT_MARGIN_SO_CALL = 45,        //Margin call level
+        ACCOUNT_MARGIN_SO_SO = 46,          //Margin stop out level
+        ACCOUNT_MARGIN_INITIAL = 48,        //Initial margin
+        ACCOUNT_MARGIN_MAINTENANCE = 49,    //Maintenance margin
+        ACCOUNT_ASSETS = 50,                //The current assets of an account
+        ACCOUNT_LIABILITIES = 51,           //The current liabilities on an account
+        ACCOUNT_COMMISSION_BLOCKED = 52     //The current blocked commission amount on an account
+    }
+
+    public enum ENUM_ACCOUNT_INFO_STRING
+    {
+        ACCOUNT_NAME = 1,           //Client name
+        ACCOUNT_SERVER = 3,         //Trade server name
+        ACCOUNT_CURRENCY = 36,      //Account currency
+        ACCOUNT_COMPANY = 2         //Name of a company that serves the account
+    }
+
+    public enum ENUM_ACCOUNT_TRADE_MODE
+    {
+        ACCOUNT_TRADE_MODE_DEMO = 0,        //Demo account
+        ACCOUNT_TRADE_MODE_CONTEST = 1,     //Contest account
+        ACCOUNT_TRADE_MODE_REAL = 2         //Real account
+    }
+
+    public enum ENUM_ACCOUNT_STOPOUT_MODE
+    {
+        ACCOUNT_STOPOUT_MODE_PERCENT = 0,   //Account stop out mode in percents
+        ACCOUNT_STOPOUT_MODE_MONEY = 1      //Account stop out mode in money
+    }
+
+    public enum ENUM_ACCOUNT_MARGIN_MODE
+    {
+        ACCOUNT_MARGIN_MODE_RETAIL_NETTING = 0,     //Used for the OTC markets to interpret positions in the "netting" mode
+        ACCOUNT_MARGIN_MODE_EXCHANGE = 1,           //Used for the exchange markets
+        ACCOUNT_MARGIN_MODE_RETAIL_HEDGING = 2      //Used for the exchange markets where individual positions are possible
+    }
+
+    #endregion //Account Properties
+
+    // Trade Constants:
+
+    #region History Database Properties
+
+    public enum ENUM_SERIES_INFO_INTEGER
+    {
+        SERIES_BARS_COUNT = 0,              //Bars count for the symbol-period for the current moment
+        SERIES_FIRSTDATE = 1,               //The very first date for the symbol-period for the current moment
+        SERIES_LASTBAR_DATE = 5,            //Open time of the last bar of the symbol-period
+        SERIES_SERVER_FIRSTDATE = 2,        //The very first date in the history of the symbol on the server regardless of the timeframe
+        SERIES_TERMINAL_FIRSTDATE = 3,      //The very first date in the history of the symbol in the client terminal, regardless of the timeframe
+        SERIES_SYNCHRONIZED = 4             //Symbol/period data synchronization flag for the current moment
+    }
+
+    #endregion //History Database Properties
+
+    #region Order Properties
+
+    public enum ENUM_ORDER_PROPERTY_INTEGER
+    {
+        ORDER_TICKET = 22,          //Order ticket. Unique number assigned to each order
+        ORDER_TIME_SETUP = 1,       //Order setup time
+        ORDER_TYPE = 4,             //Order type
+        ORDER_STATE = 14,           //Order state
+        ORDER_TIME_EXPIRATION = 2,  //Order expiration time
+        ORDER_TIME_DONE = 3,        //Order execution or cancellation time
+        ORDER_TIME_SETUP_MSC = 18,  //The time of placing an order for execution in milliseconds since 01.01.1970
+        ORDER_TIME_DONE_MSC = 19,   //Order execution/cancellation time in milliseconds since 01.01.1970
+        ORDER_TYPE_FILLING = 5,     //Order filling type
+        ORDER_TYPE_TIME = 6,        //Order lifetime
+        ORDER_MAGIC = 15,           //ID of an Expert Advisor that has placed the order (designed to ensure that each Expert Advisor places its own unique number)
+        ORDER_REASON = 23,          //The reason or source for placing an order
+        ORDER_POSITION_ID = 17,     //Position identifier that is set to an order as soon as it is executed. Each executed order results in a deal that opens or modifies an already existing position. The identifier of exactly this position is set to the executed order at this moment.
+        ORDER_POSITION_BY_ID = 21   //Identifier of an opposite position used for closing by order ORDER_TYPE_CLOSE_BY
+    }
+
+    public enum ENUM_ORDER_PROPERTY_DOUBLE
+    {
+        ORDER_VOLUME_INITIAL = 7,   //Order initial volume
+        ORDER_VOLUME_CURRENT = 8,   //Order current volume
+        ORDER_PRICE_OPEN = 9,       //Price specified in the order
+        ORDER_SL = 12,              //Stop Loss value
+        ORDER_TP = 13,              //Take Profit value
+        ORDER_PRICE_CURRENT = 10,   //The current price of the order symbol
+        ORDER_PRICE_STOPLIMIT = 11  //The Limit order price for the StopLimit order
+    }
+
+    public enum ENUM_ORDER_PROPERTY_STRING
+    {
+        ORDER_SYMBOL = 0,           //Symbol of the order
+        ORDER_COMMENT = 16,         //Order comment
+        ORDER_EXTERNAL_ID = 20      //Order identifier in an external trading system (on the Exchange)
+    }
+
+    public enum ENUM_ORDER_TYPE
+    {
+        ORDER_TYPE_BUY = 0,             //Market Buy order
+        ORDER_TYPE_SELL = 1,            //Market Sell order
+        ORDER_TYPE_BUY_LIMIT = 2,       //Buy Limit pending order
+        ORDER_TYPE_SELL_LIMIT = 3,      //Sell Limit pending order
+        ORDER_TYPE_BUY_STOP = 4,        //Buy Stop pending order
+        ORDER_TYPE_SELL_STOP = 5,       //Sell Stop pending order
+        ORDER_TYPE_BUY_STOP_LIMIT = 6,  //Upon reaching the order price, a pending Buy Limit order is places at the StopLimit price
+        ORDER_TYPE_SELL_STOP_LIMIT = 7, //Upon reaching the order price, a pending Sell Limit order is places at the StopLimit price
+        ORDER_TYPE_CLOSE_BY = 8         //Order to close a position by an opposite one
+    }
+
+    public enum ENUM_ORDER_STATE
+    {
+        ORDER_STATE_STARTED = 0,            //Order checked, but not yet accepted by broker
+        ORDER_STATE_PLACED = 1,             //Order accepted
+        ORDER_STATE_CANCELED = 2,           //Order canceled by client
+        ORDER_STATE_PARTIAL = 3,            //Order partially executed
+        ORDER_STATE_FILLED = 4,             //Order fully executed
+        ORDER_STATE_REJECTED = 5,           //Order rejected
+        ORDER_STATE_EXPIRED = 6,            //Order expired
+        ORDER_STATE_REQUEST_ADD = 7,        //Order is being registered (placing to the trading system)
+        ORDER_STATE_REQUEST_MODIFY = 8,     //Order is being modified (changing its parameters)
+        ORDER_STATE_REQUEST_CANCEL = 9      //Order is being deleted (deleting from the trading system)
+    }
+
+    public enum ENUM_ORDER_TYPE_FILLING
+    {
+        ORDER_FILLING_FOK = 0,
+        ORDER_FILLING_IOC = 1,
+        ORDER_FILLING_RETURN = 2
+    }
+
+    public enum ENUM_ORDER_TYPE_TIME
+    {
+        ORDER_TIME_GTC = 0,
+        ORDER_TIME_DAY = 1,
+        ORDER_TIME_SPECIFIED = 2,
+        ORDER_TIME_SPECIFIED_DAY = 3
+    }
+
+    public enum ENUM_ORDER_REASON
+    {
+        ORDER_REASON_CLIENT = 0,    //The order was placed from a desktop terminal
+        ORDER_REASON_MOBILE = 1,    //The order was placed from a mobile application
+        ORDER_REASON_WEB = 2,       //The order was placed from a web platform
+        ORDER_REASON_EXPERT = 3,    //The order was placed from an MQL5-program, i.e. by an Expert Advisor or a script
+        ORDER_REASON_SL = 4,        //The order was placed as a result of Stop Loss activation
+        ORDER_REASON_TP = 5,        //The order was placed as a result of Take Profit activation
+        ORDER_REASON_SO = 6         //The order was placed as a result of the Stop Out event
+    }
+
+    #endregion //Order Properties
+
+    #region Position Properties
+
+    public enum ENUM_POSITION_PROPERTY_INTEGER
+    {
+        POSITION_TICKET = 17,           //Position ticket
+        POSITION_TIME = 1,              //Position open time
+        POSITION_TIME_MSC = 14,         //Position opening time in milliseconds since 01.01.1970
+        POSITION_TIME_UPDATE = 15,      //Position changing time in seconds since 01.01.1970
+        POSITION_TIME_UPDATE_MSC = 16,  //Position changing time in milliseconds since 01.01.1970
+        POSITION_TYPE = 2,              //Position type
+        POSITION_MAGIC = 12,            //Position magic number
+        POSITION_IDENTIFIER = 13,       //Position identifier is a unique number that is assigned to every newly opened position and doesn't change during the entire lifetime of the position. Position turnover doesn't change its identifier.
+        POSITION_REASON = 18            //The reason for opening a position
+    }
+
+    public enum ENUM_POSITION_PROPERTY_DOUBLE
+    {
+        POSITION_VOLUME = 3,            //Position volume
+        POSITION_PRICE_OPEN = 4,        //Position open price
+        POSITION_SL = 6,                //Stop Loss level of opened position
+        POSITION_TP = 7,                //Take Profit level of opened position
+        POSITION_PRICE_CURRENT = 5,     //Current price of the position symbol
+        POSITION_COMMISSION = 8,        //FIXME: Undocumented!
+        POSITION_SWAP = 9,              //Cumulative swap
+        POSITION_PROFIT = 10            //Current profit
+    }
+
+    public enum ENUM_POSITION_PROPERTY_STRING
+    {
+        POSITION_SYMBOL = 0,    //Symbol of the position
+        POSITION_COMMENT = 11   //Position comment
+    }
+
+    public enum ENUM_POSITION_TYPE
+    {
+        POSITION_TYPE_BUY = 0,      //Buy
+        POSITION_TYPE_SELL = 1      //Sell
+    }
+
+    public enum ENUM_POSITION_REASON
+    {
+        POSITION_REASON_CLIENT = 0, //The position was opened as a result of activation of an order placed from a desktop terminal
+        POSITION_REASON_MOBILE = 1, //The position was opened as a result of activation of an order placed from a mobile application
+        POSITION_REASON_WEB = 2,    //The position was opened as a result of activation of an order placed from the web platform
+        POSITION_REASON_EXPERT = 3  //The position was opened as a result of activation of an order placed from an MQL5 program
+    }
+
+    #endregion //Position Properties
+
+    #region Deal Properties
+
+    public enum ENUM_DEAL_PROPERTY_INTEGER
+    {
+        DEAL_TICKET = 15,           //Deal ticket. Unique number assigned to each deal
+        DEAL_ORDER = 1,             //Deal order number
+        DEAL_TIME = 2,              //Deal time
+        DEAL_TIME_MSC = 13,         //The time of a deal execution in milliseconds since 01.01.1970
+        DEAL_TYPE = 3,              //Deal type
+        DEAL_ENTRY = 4,             //Deal entry - entry in, entry out, reverse
+        DEAL_MAGIC = 11,            //Deal magic number
+        DEAL_REASON = 16,           //The reason or source for deal execution
+        DEAL_POSITION_ID = 12       //Identifier of a position
+    }
+
+    public enum ENUM_DEAL_PROPERTY_DOUBLE
+    {
+        DEAL_VOLUME = 5,        //Deal volume
+        DEAL_PRICE = 6,         //Deal price
+        DEAL_COMMISSION = 7,    //Deal commission
+        DEAL_SWAP = 8,          //Cumulative swap on close
+        DEAL_PROFIT = 9         //Deal profit
+    }
+
+    public enum ENUM_DEAL_PROPERTY_STRING
+    {
+        DEAL_SYMBOL = 0,        //Deal symbol
+        DEAL_COMMENT = 10,      //Deal comment
+        DEAL_EXTERNAL_ID = 14   //Deal identifier in an external trading system (on the Exchange)
+    }
+
+    public enum ENUM_DEAL_TYPE
+    {
+        DEAL_TYPE_BUY = 0,                          //Buy
+        DEAL_TYPE_SELL = 1,                         //Sell
+        DEAL_TYPE_BALANCE = 2,                      //Balance
+        DEAL_TYPE_CREDIT = 3,                       //Credit
+        DEAL_TYPE_CHARGE = 4,                       //Additional charge
+        DEAL_TYPE_CORRECTION = 5,                   //Correction
+        DEAL_TYPE_BONUS = 6,                        //Bonus
+        DEAL_TYPE_COMMISSION = 7,                   //Additional commission
+        DEAL_TYPE_COMMISSION_DAILY = 8,             //Daily commission
+        DEAL_TYPE_COMMISSION_MONTHLY = 9,           //Monthly commission
+        DEAL_TYPE_COMMISSION_AGENT_DAILY = 10,      //Daily agent commission
+        DEAL_TYPE_COMMISSION_AGENT_MONTHLY = 11,    //Monthly agent commission
+        DEAL_TYPE_INTEREST = 12,                    //Interest rate
+        DEAL_TYPE_BUY_CANCELED = 13,                //Canceled buy deal
+        DEAL_TYPE_SELL_CANCELED = 14,               //Canceled sell deal
+        DEAL_DIVIDEND = 15,                         //Dividend operations
+        DEAL_DIVIDEND_FRANKED = 16,                 //Franked (non-taxable) dividend operations
+        DEAL_TAX = 17                               //Tax charges
+    }
+
+    public enum ENUM_DEAL_ENTRY
+    {
+        DEAL_ENTRY_IN = 0,          //Entry in
+        DEAL_ENTRY_OUT = 1,         //Entry out
+        DEAL_ENTRY_INOUT = 2,       //Reverse
+        DEAL_ENTRY_STATE = 255      //Close a position by an opposite one
+    }
+
+    public enum ENUM_DEAL_REASON
+    {
+        DEAL_REASON_CLIENT = 0,         //The deal was executed as a result of activation of an order placed from a desktop terminal
+        DEAL_REASON_MOBILE = 1,         //The deal was executed as a result of activation of an order placed from a mobile application
+        DEAL_REASON_WEB = 2,            //The deal was executed as a result of activation of an order placed from the web platform
+        DEAL_REASON_EXPERT = 3,         //The deal was executed as a result of activation of an order placed from an MQL5 program, i.e. an Expert Advisor or a script
+        DEAL_REASON_SL = 4,             //The deal was executed as a result of Stop Loss activation
+        DEAL_REASON_TP = 5,             //The deal was executed as a result of Take Profit activation
+        DEAL_REASON_SO = 6,             //The deal was executed as a result of the Stop Out event
+        DEAL_REASON_ROLLOVER = 7,       //The deal was executed due to a rollover
+        DEAL_REASON_VMARGIN = 8,        //The deal was executed after charging the variation margin
+        DEAL_REASON_SPLIT = 9           //The deal was executed after the split (price reduction) of an instrument, which had an open position during split announcement
+    }
+
+    #endregion //Deal Properties
+
+    #region Trade Operation Types
+
+    public enum ENUM_TRADE_REQUEST_ACTIONS
+    {
+        TRADE_ACTION_DEAL = 1,      //Place a trade order for an immediate execution with the specified parameters (market order)
+        TRADE_ACTION_PENDING = 5,   //Place a trade order for the execution under specified conditions (pending order)
+        TRADE_ACTION_SLTP = 6,      //Modify Stop Loss and Take Profit values of an opened position
+        TRADE_ACTION_MODIFY = 7,    //Modify the parameters of the order placed previously
+        TRADE_ACTION_REMOVE = 8,    //Delete the pending order placed previously
+        TRADE_ACTION_CLOSE_BY = 10  //Close a position by an opposite one
+    }
+
+    #endregion //Trade Operation Types
+
+    #region Trade Transaction Types
+
+    public enum ENUM_TRADE_TRANSACTION_TYPE
+    {
+        TRADE_TRANSACTION_ORDER_ADD = 0,            //Adding a new open order
+        TRADE_TRANSACTION_ORDER_UPDATE = 1,         //Updating an open order
+        TRADE_TRANSACTION_ORDER_DELETE = 2,         //Removing an order from the list of the open ones
+        TRADE_TRANSACTION_DEAL_ADD = 6,             //Adding a deal to the history
+        TRADE_TRANSACTION_DEAL_UPDATE = 7,          //Updating a deal in the history
+        TRADE_TRANSACTION_DEAL_DELETE = 8,          //Deleting a deal from the history
+        TRADE_TRANSACTION_HISTORY_ADD = 3,          //Adding an order to the history as a result of execution or cancellation
+        TRADE_TRANSACTION_HISTORY_UPDATE = 4,       //Changing an order located in the orders history
+        TRADE_TRANSACTION_HISTORY_DELETE = 5,       //Deleting an order from the orders history
+        TRADE_TRANSACTION_POSITION = 9,             //Changing a position not related to a deal execution
+        TRADE_TRANSACTION_REQUEST = 10              //Notification of the fact that a trade request has been processed by a server and processing result has been received
+    }
+
+    #endregion //Trade Transaction Types
+
+    #region Trade Orders in Depth Of Market
+
     public enum ENUM_BOOK_TYPE
     {
-        BOOK_TYPE_SELL = 1,
-        BOOK_TYPE_BUY = 2,
-        BOOK_TYPE_SELL_MARKET = 3,
-        BOOK_TYPE_BUY_MARKET = 4
+        BOOK_TYPE_SELL = 1,             //Sell order (Offer)
+        BOOK_TYPE_BUY = 2,              //Buy order (Bid)
+        BOOK_TYPE_SELL_MARKET = 3,      //Sell order by Market
+        BOOK_TYPE_BUY_MARKET = 4        //Buy order by Market
     }
+
+    #endregion //Trade Orders in Depth Of Market
+
 }

MtApi5/MtApi5.csproj

@@ -56,7 +56,6 @@
     <Compile Include="Mt5Enums.cs" />
     <Compile Include="Mt5ConnectionEventArgs.cs" />
     <Compile Include="Mt5ConnectionState.cs" />
-    <Compile Include="ExtensionMethods.cs" />
     <Compile Include="MqlTradeRequest.cs" />
     <Compile Include="MqlTradeResult.cs" />
     <Compile Include="Mt5QuoteEventArgs.cs" />

MtApi5/MtApi5Client.cs

@@ -7,6 +7,7 @@ using System.ServiceModel;
 using MtApi5.Requests;
 using MtApi5.Responses;
 using Newtonsoft.Json;
+using System.Threading.Tasks;
 
 namespace MtApi5
 {
@@ -31,22 +32,17 @@ namespace MtApi5
 
 
         #region Private Fields
-        private readonly MtClient _client = new MtClient();
+        private MtClient _client;
+        private readonly object _locker = new object();
         private volatile bool _isBacktestingMode = false;
+        private Mt5ConnectionState _connectionState = Mt5ConnectionState.Disconnected;
+        private int _executorHandle;
         #endregion
 
         #region Public Methods
         public MtApi5Client()
         {
             LogConfigurator.Setup(LogProfileName);
-
-            ConnectionState = Mt5ConnectionState.Disconnected;
-
-            _client.QuoteAdded += mClient_QuoteAdded;
-            _client.QuoteRemoved += mClient_QuoteRemoved;
-            _client.QuoteUpdated += mClient_QuoteUpdated;
-            _client.ServerDisconnected += mClient_ServerDisconnected;
-            _client.ServerFailed += mClient_ServerFailed;
         }
 
         ///<summary>
@@ -56,15 +52,7 @@ namespace MtApi5
         ///<param name="port">Port of host connection (default 8222) </param>
         public void BeginConnect(string host, int port)
         {
-            //if (string.IsNullOrEmpty(host) == false && (host.Equals("localhost") || host.Equals("127.0.0.1")))
-            //{
-            //    this.BeginConnect(port);
-            //}
-            //else
-            //{
-                Action<string, int> connectAction = Connect;
-                connectAction.BeginInvoke(host, port, null, null);
-            //}
+            Task.Factory.StartNew(() => Connect(host, port));
         }
 
         ///<summary>
@@ -73,8 +61,7 @@ namespace MtApi5
         ///<param name="port">Port of host connection (default 8222) </param>
         public void BeginConnect(int port)
         {
-            Action<int> connectAction = Connect;
-            connectAction.BeginInvoke(port, null, null);
+            Task.Factory.StartNew(() => Connect(port));
         }
 
         ///<summary>
@@ -82,8 +69,7 @@ namespace MtApi5
         ///</summary>
         public void BeginDisconnect()
         {
-            Action disconnectAction = Disconnect;
-            disconnectAction.BeginInvoke(null, null);
+            Task.Factory.StartNew(() => Disconnect(false));
         }
 
         ///<summary>
@@ -91,11 +77,8 @@ namespace MtApi5
         ///</summary>
         public IEnumerable<Mt5Quote> GetQuotes()
         {
-            IEnumerable<MtQuote> quotes;
-            lock (_client)
-            {
-                quotes = _client.GetQuotes();
-            }
+            var client = Client;
+            var quotes = client != null ? client.GetQuotes() : null;
             return quotes?.Select(q => q.Parse());
         }
 
@@ -240,6 +223,17 @@ namespace MtApi5
             return SendCommand<bool>(Mt5CommandType.PositionSelect, commandParameters);
         }
 
+        ///<summary>
+        ///Selects an open position to work with based on the ticket number specified in the position. If successful, returns true. Returns false if the function failed.
+        ///</summary>
+        ///<param name="ticket">Position ticket.</param>
+        public bool PositionSelectByTicket(ulong ticket)
+        {
+            var commandParameters = new ArrayList { ticket };
+
+            return SendCommand<bool>(Mt5CommandType.PositionSelectByTicket, commandParameters);
+        }
+
         ///<summary>
         ///The function returns the requested property of an open position, pre-selected using PositionGetSymbol or PositionSelect.
         ///</summary>
@@ -1432,7 +1426,37 @@ namespace MtApi5
         ///<summary>
         ///Connection status of MetaTrader API.
         ///</summary>
-        public Mt5ConnectionState ConnectionState { get; private set; }
+        public Mt5ConnectionState ConnectionState
+        {
+            get
+            {
+                lock (_locker)
+                {
+                    return _connectionState;
+                }
+            }
+        }
+
+        ///<summary>
+        ///Handle of expert used to execute commands
+        ///</summary>
+        public int ExecutorHandle
+        {
+            get
+            {
+                lock (_locker)
+                {
+                    return _executorHandle;
+                }
+            }
+            set
+            {
+                lock (_locker)
+                {
+                    _executorHandle = value;
+                }
+            }
+        }
         #endregion
 
         #region Events
@@ -1443,94 +1467,148 @@ namespace MtApi5
         #endregion
 
         #region Private Methods
-        private void Connect(string host, int port)
+        private MtClient Client
         {
-            ConnectionState = Mt5ConnectionState.Connecting;
-            ConnectionStateChanged.FireEvent(this
-                , new Mt5ConnectionEventArgs(Mt5ConnectionState.Connecting, "Connecting to " + host + ":" + port));
-
-            try
+            get
             {
-                lock (_client)
+                lock (_locker)
                 {
-                    _client.Open(host, port);
-                    _client.Connect();
+                    return _client;
                 }
             }
-            catch (Exception e)
+        }
+
+        private void Connect(MtClient client)
+        {
+            lock (_locker)
             {
-                ConnectionState = Mt5ConnectionState.Failed;
-                ConnectionStateChanged.FireEvent(this
-                    , new Mt5ConnectionEventArgs(Mt5ConnectionState.Failed, "Failed connection to " + host + ":" + port + ". " + e.Message));
-                return;
+                if (_connectionState == Mt5ConnectionState.Connected
+                    || _connectionState == Mt5ConnectionState.Connecting)
+                {
+                    return;
+                }
+
+                _connectionState = Mt5ConnectionState.Connecting;
             }
 
-            ConnectionState = Mt5ConnectionState.Connected;
-            ConnectionStateChanged.FireEvent(this
-                , new Mt5ConnectionEventArgs(Mt5ConnectionState.Connected, "Connected  to " + host + ":" + port));
+            string message = string.IsNullOrEmpty(client.Host) ? $"Connecting to localhost:{client.Port}" : $"Connecting to {client.Host}:{client.Port}";
+            ConnectionStateChanged?.Invoke(this, new Mt5ConnectionEventArgs(Mt5ConnectionState.Connecting, message));
 
-            OnConnected();
+            var state = Mt5ConnectionState.Failed;
+
+            lock (_locker)
+            {
+                try
+                {
+                    client.Connect();
+                    state = Mt5ConnectionState.Connected;
+                }
+                catch (Exception e)
+                {
+                    client.Dispose();
+                    message = string.IsNullOrEmpty(client.Host) ? $"Failed connection to localhost:{client.Port}. {e.Message}" : $"Failed connection to {client.Host}:{client.Port}. {e.Message}";
+                }
+
+                if (state == Mt5ConnectionState.Connected)
+                {
+                    _client = client;
+                    _client.QuoteAdded += _client_QuoteAdded;
+                    _client.QuoteRemoved += _client_QuoteRemoved;
+                    _client.QuoteUpdated += _client_QuoteUpdated;
+                    _client.ServerDisconnected += _client_ServerDisconnected;
+                    _client.ServerFailed += _client_ServerFailed;
+                    message = string.IsNullOrEmpty(client.Host) ? $"Connected to localhost:{client.Port}" : $"Connected to  { client.Host}:{client.Port}";
+                }
+
+                _connectionState = state;
+            }
+
+            ConnectionStateChanged?.Invoke(this, new Mt5ConnectionEventArgs(state, message));
+
+            if (state == Mt5ConnectionState.Connected)
+            {
+                OnConnected();
+            }
+        }
+
+        private void Connect(string host, int port)
+        {
+            var client = new MtClient(host, port);
+            Connect(client);
         }
 
         private void Connect(int port)
         {
-            ConnectionState = Mt5ConnectionState.Connecting;
-            ConnectionStateChanged.FireEvent(this
-                , new Mt5ConnectionEventArgs(Mt5ConnectionState.Connecting, "Connecting to 'localhost':" + port));
-
-            try
-            {
-                lock (_client)
-                {
-                    _client.Open(port);
-                    _client.Connect();
-                }
-            }
-            catch (Exception e)
-            {
-                ConnectionState = Mt5ConnectionState.Failed;
-                ConnectionStateChanged.FireEvent(this
-                    , new Mt5ConnectionEventArgs(Mt5ConnectionState.Failed, "Failed connection  to 'localhost':" + port + ". " + e.Message));
-
-                return;
-            }
-
-            ConnectionState = Mt5ConnectionState.Connected;
-            ConnectionStateChanged.FireEvent(this
-                , new Mt5ConnectionEventArgs(Mt5ConnectionState.Connected, "Connected to 'localhost':" + port));
-
-            OnConnected();
+            var client = new MtClient(port);
+            Connect(client);
         }
 
-        private void Disconnect()
+        private void Disconnect(bool failed)
         {
-            lock (_client)
+            var state = failed ? Mt5ConnectionState.Failed : Mt5ConnectionState.Disconnected;
+            var message = failed ? "Connection Failed" : "Disconnected";
+
+            lock (_locker)
             {
-                _client.Disconnect();
-                _client.Close();
+                if (_connectionState == Mt5ConnectionState.Disconnected
+                    || _connectionState == Mt5ConnectionState.Failed)
+                    return;
+
+                if (_client != null)
+                {
+                    _client.QuoteAdded -= _client_QuoteAdded;
+                    _client.QuoteRemoved -= _client_QuoteRemoved;
+                    _client.QuoteUpdated -= _client_QuoteUpdated;
+                    _client.ServerDisconnected -= _client_ServerDisconnected;
+                    _client.ServerFailed -= _client_ServerFailed;
+
+                    if (!failed)
+                    {
+                        _client.Disconnect();
+                    }
+
+                    _client.Dispose();
+
+                    _client = null;
+                }
+
+                _connectionState = state;
             }
 
-            ConnectionState = Mt5ConnectionState.Disconnected;
-            ConnectionStateChanged.FireEvent(this, new Mt5ConnectionEventArgs(Mt5ConnectionState.Disconnected, "Disconnected"));
+            ConnectionStateChanged?.Invoke(this, new Mt5ConnectionEventArgs(state, message));
         }
 
-        private T SendCommand<T>(Mt5CommandType commandType, ArrayList commandParameters)
+        private T SendCommand<T>(Mt5CommandType commandType, ArrayList commandParameters, Dictionary<string, object> namedParams = null)
         {
             MtResponse response;
+
+            var client = Client;
+            if (client == null)
+            {
+                throw new Exception("No connection");
+            }
+
             try
             {
-                lock (_client)
-                {
-                    response = _client.SendCommand((int) commandType, commandParameters);
-                }
+                response = client.SendCommand((int)commandType, commandParameters, namedParams, ExecutorHandle);
             }
             catch (CommunicationException ex)
             {
                 throw new Exception(ex.Message, ex);
             }
 
-            var responseValue = response?.GetValue();
-            return responseValue != null ? (T) responseValue : default(T);
+            if (response == null)
+            {
+                throw new ExecutionException(ErrorCode.ErrCustom, "Response from MetaTrader is null");
+            }
+
+            if (response.ErrorCode != 0)
+            {
+                throw new ExecutionException((ErrorCode)response.ErrorCode, response.ToString());
+            }
+
+            var responseValue = response.GetValue();
+            return responseValue != null ? (T)responseValue : default(T);
         }
 
         private T SendRequest<T>(RequestBase request) where T : ResponseBase, new()
@@ -1545,25 +1623,14 @@ namespace MtApi5
                             });
             var commandParameters = new ArrayList { serializer };
 
-            MtResponseString res;
-            try
-            {
-                lock (_client)
-                {
-                    res = (MtResponseString)_client.SendCommand((int)Mt5CommandType.MtRequest, commandParameters);
-                }
-            }
-            catch (CommunicationException ex)
-            {
-                throw new Exception(ex.Message, ex);
-            }
+            var res = SendCommand<string>(Mt5CommandType.MtRequest, commandParameters);
 
             if (res == null)
             {
                 throw new ExecutionException(ErrorCode.ErrCustom, "Response from MetaTrader is null");
             }
 
-            var response = JsonConvert.DeserializeObject<T>(res.Value);
+            var response = JsonConvert.DeserializeObject<T>(res);
             if (response.ErrorCode != 0)
             {
                 throw new ExecutionException((ErrorCode)response.ErrorCode, response.ErrorMessage);
@@ -1573,7 +1640,7 @@ namespace MtApi5
         }
 
 
-        private void mClient_QuoteUpdated(MtQuote quote)
+        private void _client_QuoteUpdated(MtQuote quote)
         {
             if (quote != null)
             {
@@ -1581,28 +1648,24 @@ namespace MtApi5
             }
         }
 
-        private void mClient_ServerDisconnected(object sender, EventArgs e)
+        private void _client_ServerDisconnected(object sender, EventArgs e)
         {
-            ConnectionState = Mt5ConnectionState.Disconnected;
-            ConnectionStateChanged.FireEvent(this
-                , new Mt5ConnectionEventArgs(Mt5ConnectionState.Disconnected, "MtApi is disconnected"));
+            Disconnect(false);
         }
 
-        private void mClient_ServerFailed(object sender, EventArgs e)
+        private void _client_ServerFailed(object sender, EventArgs e)
         {
-            ConnectionState = Mt5ConnectionState.Failed;
-            ConnectionStateChanged.FireEvent(this
-                , new Mt5ConnectionEventArgs(Mt5ConnectionState.Failed, "Failed connection with MtApi"));
+            Disconnect(true);
         }
 
-        private void mClient_QuoteRemoved(MtQuote quote)
+        private void _client_QuoteRemoved(MtQuote quote)
         {
-            QuoteRemoved.FireEvent(this, new Mt5QuoteEventArgs(quote.Parse()));
+            QuoteRemoved?.Invoke(this, new Mt5QuoteEventArgs(quote.Parse()));
         }
 
-        private void mClient_QuoteAdded(MtQuote quote)
+        private void _client_QuoteAdded(MtQuote quote)
         {
-            QuoteAdded.FireEvent(this, new Mt5QuoteEventArgs(quote.Parse()));
+            QuoteAdded?.Invoke(this, new Mt5QuoteEventArgs(quote.Parse()));
         }
 
         private void OnConnected()

MtApi5/Properties/AssemblyInfo.cs

@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.11.0")]
-[assembly: AssemblyFileVersion("1.0.11.0")]
+[assembly: AssemblyVersion("1.0.12")]
+[assembly: AssemblyFileVersion("1.0.12")]

TestClients/TestApiClientUI/Form1.cs

@@ -33,12 +33,16 @@ namespace TestApiClientUI
             comboBox8.DataSource = Enum.GetNames(typeof(MarketInfoModeType));
             comboBox9.DataSource = Enum.GetNames(typeof(EnumTerminalInfoInteger));
             comboBox10.DataSource = Enum.GetNames(typeof(EnumTerminalInfoDouble));
+            comboBox11.DataSource = Enum.GetNames(typeof(EnumObject));
+            comboBoxAccountInfoCmd.DataSource = Enum.GetNames(typeof(TradeOperation));
 
             _apiClient.QuoteUpdated += apiClient_QuoteUpdated;
+            _apiClient.QuoteUpdate += _apiClient_QuoteUpdate;
             _apiClient.QuoteAdded += apiClient_QuoteAdded;
             _apiClient.QuoteRemoved += apiClient_QuoteRemoved;
             _apiClient.ConnectionStateChanged += apiClient_ConnectionStateChanged;
             _apiClient.OnLastTimeBar += _apiClient_OnLastTimeBar;
+            _apiClient.OnChartEvent += _apiClient_OnChartEvent;
 
             InitOrderCommandsGroup();
 
@@ -47,6 +51,8 @@ namespace TestApiClientUI
             comboBox3.SelectedIndex = 0;
             comboBox4.SelectedIndex = 0;
             comboBox5.SelectedIndex = 0;
+            comboBox11.SelectedIndex = 0;
+            comboBoxAccountInfoCmd.SelectedIndex = 0;
 
             _timerTradeMonitor = new TimerTradeMonitor(_apiClient) { Interval = 10000 }; // 10 sec
             _timerTradeMonitor.AvailabilityOrdersChanged += _tradeMonitor_AvailabilityOrdersChanged;
@@ -112,18 +118,32 @@ namespace TestApiClientUI
 
         private void apiClient_QuoteRemoved(object sender, MtQuoteEventArgs e)
         {
-            RunOnUiThread(() => RemoveQuote(e.Quote) );
+            if (e.Quote != null)
+            {
+                RunOnUiThread(() => RemoveQuote(e.Quote));
+            }
         }
 
         private void apiClient_QuoteAdded(object sender, MtQuoteEventArgs e)
         {
-            RunOnUiThread(() => AddNewQuote(e.Quote));
+            if (e.Quote != null)
+            {
+                RunOnUiThread(() => AddNewQuote(e.Quote));
+            }
         }
 
         private void _apiClient_OnLastTimeBar(object sender, TimeBarArgs e)
         {
             var msg =
-                $"TimeBar: Symbol = {e.TimeBar.Symbol}, OpenTime = {e.TimeBar.OpenTime}, CloseTime = {e.TimeBar.CloseTime}, Open = {e.TimeBar.Open}, Close = {e.TimeBar.Close}, High = {e.TimeBar.High}, Low = {e.TimeBar.Low}";
+                $"TimeBar: ExpertHandle = {e.ExpertHandle}, Symbol = {e.TimeBar.Symbol}, OpenTime = {e.TimeBar.OpenTime}, CloseTime = {e.TimeBar.CloseTime}, Open = {e.TimeBar.Open}, Close = {e.TimeBar.Close}, High = {e.TimeBar.High}, Low = {e.TimeBar.Low}";
+            Console.WriteLine(msg);
+            PrintLog(msg);
+        }
+
+        private void _apiClient_OnChartEvent(object sender, ChartEventArgs e)
+        {
+            var msg =
+                $"OnChartEvent: ExpertHandle = {e.ExpertHandle}, ChartId = {e.ChartId}, EventId = {e.EventId}, Lparam = {e.Lparam}, Dparam = {e.Dparam}, Sparam = {e.Sparam}";
             Console.WriteLine(msg);
             PrintLog(msg);
         }
@@ -131,72 +151,52 @@ namespace TestApiClientUI
         private void apiClient_QuoteUpdated(object sender, string symbol, double bid, double ask)
         {
             Console.WriteLine(@"Quote: Symbol = {0}, Bid = {1}, Ask = {2}", symbol, bid, ask);
+        }
+
+        private void _apiClient_QuoteUpdate(object sender, MtQuoteEventArgs e)
+        {
             //if UI of quite is busy we are skipping this update
             if (_isUiQuoteUpdateReady)
             {
-                RunOnUiThread(() => ChangeQuote(symbol, bid, ask));
+                RunOnUiThread(() => ChangeQuote(e.Quote));
             }
         }
 
         private void AddNewQuote(MtQuote quote)
         {
-            if (quote == null)
-                return;
+            var key = quote.ExpertHandle.ToString();
 
-            if (string.IsNullOrEmpty(quote.Instrument) == false
-                && listViewQuotes.Items.ContainsKey(quote.Instrument) == false)
+            if (listViewQuotes.Items.ContainsKey(key) == false)
             {
-                var item = new ListViewItem(quote.Instrument) { Name = quote.Instrument };
+                var item = new ListViewItem(quote.Instrument) { Name = key };
                 item.SubItems.Add(quote.Bid.ToString(CultureInfo.CurrentCulture));
                 item.SubItems.Add(quote.Ask.ToString(CultureInfo.CurrentCulture));
-                item.SubItems.Add("1");
+                item.SubItems.Add(key);
                 listViewQuotes.Items.Add(item);
             }
-            else
-            {
-                var item = listViewQuotes.Items[quote.Instrument];
-                int feedCount;
-                int.TryParse(item.SubItems[3].Text, out feedCount);
-                feedCount++;
-                item.SubItems[3].Text = feedCount.ToString();
-            }
         }
 
         private void RemoveQuote(MtQuote quote)
         {
-            if (quote == null)
-                return;
+            var key = quote.ExpertHandle.ToString();
 
-            if (string.IsNullOrEmpty(quote.Instrument) == false
-                && listViewQuotes.Items.ContainsKey(quote.Instrument))
+            if (listViewQuotes.Items.ContainsKey(key))
             {
-                var item = listViewQuotes.Items[quote.Instrument];
-                int feedCount;
-                int.TryParse(item.SubItems[3].Text, out feedCount);
-                feedCount--;
-                if (feedCount <= 0)
-                {
-                    listViewQuotes.Items.RemoveByKey(quote.Instrument);
-                }
-                else
-                {
-                    item.SubItems[3].Text = feedCount.ToString();
-                }
+                listViewQuotes.Items.RemoveByKey(key);
             }
         }
 
-        private void ChangeQuote(string symbol, double bid, double ask)
+        private void ChangeQuote(MtQuote quote)
         {
             _isUiQuoteUpdateReady = false;
 
-            if (string.IsNullOrEmpty(symbol) == false)
+            var key = quote.ExpertHandle.ToString();
+
+            if (listViewQuotes.Items.ContainsKey(key))
             {
-                if (listViewQuotes.Items.ContainsKey(symbol))
-                {
-                    var item = listViewQuotes.Items[symbol];
-                    item.SubItems[1].Text = bid.ToString(CultureInfo.CurrentCulture);
-                    item.SubItems[2].Text = ask.ToString(CultureInfo.CurrentCulture);
-                }
+                var item = listViewQuotes.Items[key];
+                item.SubItems[1].Text = quote.Bid.ToString(CultureInfo.CurrentCulture);
+                item.SubItems[2].Text = quote.Ask.ToString(CultureInfo.CurrentCulture);
             }
 
             _isUiQuoteUpdateReady = true;
@@ -256,6 +256,12 @@ namespace TestApiClientUI
                 textBoxOrderSymbol.Text = listViewQuotes.SelectedItems[0].Text;
                 txtMarketInfoSymbol.Text = listViewQuotes.SelectedItems[0].Text;
                 textBoxSelectedSymbol.Text = listViewQuotes.SelectedItems[0].Text;
+                textBoxAccountInfoSymbol.Text = listViewQuotes.SelectedItems[0].Text;
+
+                if (checkBox2.Checked)
+                {
+                    _apiClient.ExecutorHandle = int.Parse(listViewQuotes.SelectedItems[0].SubItems[3].Text);
+                }
             }
         }
 
@@ -526,206 +532,6 @@ namespace TestApiClientUI
             });
         }
 
-        private void button3_Click(object sender, EventArgs e)
-        {
-            switch (comboBoxStatusCommand.SelectedIndex)
-            {
-                case 0:
-                    {
-                        var result = _apiClient.GetLastError();
-                        PrintLog($"GetLastError result: {result}");
-                    }
-                    break;
-                case 1:
-                    {
-                        var result = _apiClient.IsConnected();
-                        PrintLog($"IsConnected result: {result}");
-                    }
-                    break;
-                case 2:
-                    {
-                        var result = _apiClient.IsDemo();
-                        PrintLog($"IsDemo result: {result}");
-                    }
-                    break;
-                case 3:
-                    {
-                        var result = _apiClient.IsDllsAllowed();
-                        PrintLog($"IsDllsAllowed result: {result}");
-                    }
-                    break;
-                case 4:
-                    {
-                        var result = _apiClient.IsExpertEnabled();
-                        PrintLog($"IsExpertEnabled result: {result}");
-                    }
-                    break;
-                case 5:
-                    {
-                        var result = _apiClient.IsLibrariesAllowed();
-                        PrintLog($"IsLibrariesAllowed result: {result}");
-                    }
-                    break;
-                case 6:
-                    {
-                        var result = _apiClient.IsOptimization();
-                        PrintLog($"IsOptimization result: {result}");
-                    }
-                    break;
-                case 7:
-                    {
-                        var result = _apiClient.IsStopped();
-                        PrintLog($"IsStopped result: {result}");
-                    }
-                    break;
-                case 8:
-                    {
-                        var result = _apiClient.IsTesting();
-                        PrintLog($"IsTesting result: {result}");
-                    }
-                    break;
-                case 9:
-                    {
-                        var result = _apiClient.IsTradeAllowed();
-                        PrintLog($"IsTradeAllowed result: {result}");
-                    }
-                    break;
-                case 10:
-                    {
-                        var result = _apiClient.IsTradeContextBusy();
-                        PrintLog($"IsTradeContextBusy result: {result}");
-                    }
-                    break;
-                case 11:
-                    {
-                        var result = _apiClient.IsVisualMode();
-                        PrintLog($"IsVisualMode result: {result}");
-                    }
-                    break;
-                case 12:
-                    {
-                        var result = _apiClient.UninitializeReason();
-                        PrintLog($"UninitializeReason result: {result}");
-                    }
-                    break;
-                case 13:
-                    {
-                        int errorCode;
-                        int.TryParse(textBoxErrorCode.Text, out errorCode);
-                        var result = _apiClient.ErrorDescription(errorCode);
-                        PrintLog($"ErrorDescription result: {result}");
-                    }
-                    break;
-                default:
-                    return;
-            }
-        }
-
-        private void button4_Click(object sender, EventArgs e)
-        {
-            switch (listBoxAccountInfo.SelectedIndex)
-            {
-                case 0:
-                    {
-                        var result = _apiClient.AccountBalance();
-                        PrintLog($"AccountBalance result: {result}");
-                    }
-                    break;
-                case 1:
-                    {
-                        var result = _apiClient.AccountCredit();
-                        PrintLog($"AccountCredit result: {result}");
-                    }
-                    break;
-                case 2:
-                    {
-                        var result = _apiClient.AccountCompany();
-                        PrintLog($"AccountCompany result: {result}");
-                    }
-                    break;
-                case 3:
-                    {
-                        var result = _apiClient.AccountCurrency();
-                        PrintLog($"AccountCurrency result: {result}");
-                    }
-                    break;
-                case 4:
-                    {
-                        var result = _apiClient.AccountEquity();
-                        PrintLog($"AccountEquity result: {result}");
-                    }
-                    break;
-                case 5:
-                    {
-                        var result = _apiClient.AccountFreeMargin();
-                        PrintLog($"AccountFreeMargin result: {result}");
-                    }
-                    break;
-                case 6:
-                    {
-                        var result = _apiClient.AccountFreeMarginCheck(textBoxAccountInfoSymbol.Text, (TradeOperation)comboBoxAccountInfoCmd.SelectedIndex, int.Parse(textBoxAccountInfoVolume.Text));
-                        PrintLog($"AccountFreeMarginCheck result: {result}");
-                    }
-                    break;
-                case 7:
-                    {
-                        var result = _apiClient.AccountFreeMarginMode();
-                        PrintLog($"AccountFreeMarginMode result: {result}");
-                    }
-                    break;
-                case 8:
-                    {
-                        var result = _apiClient.AccountLeverage();
-                        PrintLog($"AccountLeverage result: {result}");
-                    }
-                    break;
-                case 9:
-                    {
-                        var result = _apiClient.AccountMargin();
-                        PrintLog($"AccountMargin result: {result}");
-                    }
-                    break;
-                case 10:
-                    {
-                        var result = _apiClient.AccountName();
-                        PrintLog($"AccountName result: {result}");
-                    }
-                    break;
-                case 11:
-                    {
-                        var result = _apiClient.AccountNumber();
-                        PrintLog($"AccountNumber result: {result}");
-                    }
-                    break;
-                case 12:
-                    {
-                        var result = _apiClient.AccountProfit();
-                        PrintLog($"AccountProfit result: {result}");
-                    }
-                    break;
-                case 13:
-                    {
-                        var result = _apiClient.AccountServer();
-                        PrintLog($"AccountServer result: {result}");
-                    }
-                    break;
-                case 14:
-                    {
-                        var result = _apiClient.AccountStopoutLevel();
-                        PrintLog($"AccountStopoutLevel result: {result}");
-                    }
-                    break;
-                case 15:
-                    {
-                        var result = _apiClient.AccountStopoutMode();
-                        PrintLog($"AccountStopoutMode result: {result}");
-                    }
-                    break;
-                default:
-                    return;
-            }
-        }
-
         //MarketInfo
         private async void button5_Click(object sender, EventArgs e)
         {
@@ -753,13 +559,13 @@ namespace TestApiClientUI
 
             Console.WriteLine($"Finished time: {DateTime.Now}");
 
-            using (var file = new System.IO.StreamWriter($@"{System.IO.Path.GetTempPath()}\MtApi\test.txt"))
-            {
-                foreach (var value in openPriceList)
-                {
-                    file.WriteLine(value);
-                }
-            }
+            //using (var file = new System.IO.StreamWriter($@"{System.IO.Path.GetTempPath()}\MtApi\test.txt"))
+            //{
+            //    foreach (var value in openPriceList)
+            //    {
+            //        file.WriteLine(value);
+            //    }
+            //}
         }
 
         private void button7_Click(object sender, EventArgs e)
@@ -832,9 +638,9 @@ namespace TestApiClientUI
             listBoxEventLog.Items.Clear();
         }
 
-        private async Task<TResult> Execute<TResult>(Func<TResult> func)
+        private Task<TResult> Execute<TResult>(Func<TResult> func)
         {
-            return await Task.Factory.StartNew(() =>
+            return Task.Factory.StartNew(() =>
             {
                 var result = default(TResult);
                 try
@@ -854,9 +660,30 @@ namespace TestApiClientUI
             });
         }
 
+        private Task Execute(Action action)
+        {
+            return Task.Factory.StartNew(() =>
+            {
+                try
+                {
+                    action();
+                }
+                catch (MtConnectionException ex)
+                {
+                    PrintLog("MtExecutionException: " + ex.Message);
+                }
+                catch (MtExecutionException ex)
+                {
+                    PrintLog("MtExecutionException: " + ex.Message + "; ErrorCode = " + ex.ErrorCode);
+                }
+            });
+        }
+
         //OrderSend
         private async void button1_Click(object sender, EventArgs e)
         {
+            var ticket = -1;
+
             var symbol = textBoxOrderSymbol.Text;
 
             var cmd = (TradeOperation) comboBoxOrderCommand.SelectedIndex;
@@ -877,28 +704,43 @@ namespace TestApiClientUI
 
             var comment = textBoxOrderComment.Text;
 
-            int magic;
-            int.TryParse(textBoxOrderMagic.Text, out magic);
-
-            var expiration = DateTime.Now;
-
-            Color arrowColor;
-            switch (comboBoxOrderColor.SelectedIndex)
+            if (string.IsNullOrEmpty(comment))
             {
-                case 0:
-                    arrowColor = Color.Green;
-                    break;
-                case 1:
-                    arrowColor = Color.Blue;
-                    break;
-                case 2:
-                    arrowColor = Color.Red;
-                    break;
-                default:
-                    return;
+                ticket = await Execute(() => _apiClient.OrderSend(symbol, cmd, volume, price, slippage, stoploss, takeprofit));
+            }
+            else
+            {
+                int magic;
+                if (!int.TryParse(textBoxOrderMagic.Text, out magic))
+                {
+                    ticket = await Execute(() => _apiClient.OrderSend(symbol, cmd, volume, price, slippage, stoploss, takeprofit, comment));
+                }
+                else
+                {
+                    if (comboBoxOrderColor.SelectedIndex < 0 || comboBoxOrderColor.SelectedIndex > 2)
+                    {
+                        ticket = await Execute(() => _apiClient.OrderSend(symbol, cmd, volume, price, slippage, stoploss, takeprofit, comment, magic));
+                    }
+                    else
+                    {
+                        var expiration = DateTime.Now.AddDays(1);
+                        Color arrowColor = Color.White;
+                        switch (comboBoxOrderColor.SelectedIndex)
+                        {
+                            case 0:
+                                arrowColor = Color.Green;
+                                break;
+                            case 1:
+                                arrowColor = Color.Blue;
+                                break;
+                            case 2:
+                                arrowColor = Color.Red;
+                                break;
+                        }
+                        ticket = await Execute(() => _apiClient.OrderSend(symbol, cmd, volume, price, slippage, stoploss, takeprofit, comment, magic, expiration, arrowColor));
+                    }
+                }
             }
-
-            var ticket = await Execute(() => _apiClient.OrderSend(symbol, cmd, volume, price, slippage, stoploss, takeprofit, comment, magic, expiration, arrowColor));
 
             PrintLog($"Sended order result: ticket = {ticket}");
         }
@@ -1286,5 +1128,339 @@ namespace TestApiClientUI
             var result = await Execute(() => _apiClient.TerminalInfoDouble(propId));
             PrintLog($"TerminalInfoDouble: result = {result}");
         }
+
+        private void checkBox2_CheckedChanged(object sender, EventArgs e)
+        {
+            var checkbox = sender as CheckBox;
+            if (checkbox == null)
+                return;
+
+            int expertHandle = 0;
+            if (checkbox.Checked)
+            {
+                if (listViewQuotes.SelectedItems.Count > 0)
+                {
+                    expertHandle = int.Parse(listViewQuotes.SelectedItems[0].SubItems[3].Text);
+                }
+            }
+
+            _apiClient.ExecutorHandle = expertHandle;
+        }
+
+        //GetLastError
+        private async void button40_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.GetLastError);
+            PrintLog($"GetLastError: result = {result}");
+            RunOnUiThread(() => { textBoxErrorCode.Text = result.ToString(); });
+        }
+
+        //ErrorDescription
+        private async void button39_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(textBoxErrorCode.Text))
+            {
+                MessageBox.Show(@"Error code is not defined!");
+                textBoxErrorCode.Focus();
+                return;
+            }
+
+            int errorCode;
+            if (int.TryParse(textBoxErrorCode.Text, out errorCode) == false)
+            {
+                MessageBox.Show(@"Failed to parse error code!");
+                textBoxErrorCode.Focus();
+                return;
+            }
+
+            var result = await Execute(() => _apiClient.ErrorDescription(errorCode));
+            PrintLog($"ErrorDescription: code = {errorCode}, description = {result}");
+        }
+
+        //IsConnected
+        private async void button41_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.IsConnected);
+            PrintLog($"IsConnected: result = {result}");
+        }
+
+        //IsDemo
+        private async void button42_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.IsDemo);
+            PrintLog($"IsDemo: result = {result}");
+        }
+
+        //IsDllsAllowed
+        private async void button43_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.IsDllsAllowed);
+            PrintLog($"IsDllsAllowed: result = {result}");
+        }
+
+        //IsExpertEnabled
+        private async void button44_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.IsExpertEnabled);
+            PrintLog($"IsExpertEnabled: result = {result}");
+        }
+
+        //IsLibrariesAllowed
+        private async void button45_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.IsLibrariesAllowed);
+            PrintLog($"IsLibrariesAllowed: result = {result}");
+        }
+
+        //IsOptimization
+        private async void button46_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.IsOptimization);
+            PrintLog($"IsOptimization: result = {result}");
+        }
+
+        //IsStopped
+        private async void button47_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.IsStopped);
+            PrintLog($"IsStopped: result = {result}");
+        }
+
+        //IsTesting
+        private async void button48_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.IsTesting);
+            PrintLog($"IsTesting: result = {result}");
+        }
+
+        //IsTradeAllowed
+        private async void button49_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.IsTradeAllowed);
+            PrintLog($"IsTradeAllowed: result = {result}");
+        }
+
+        //IsTradeContextBusy
+        private async void button50_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.IsTradeContextBusy);
+            PrintLog($"IsTradeContextBusy: result = {result}");
+        }
+
+        //IsVisualMode
+        private async void button51_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.IsVisualMode);
+            PrintLog($"IsVisualMode: result = {result}");
+        }
+
+        //UninitializeReason
+        private async void button52_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.UninitializeReason);
+            PrintLog($"UninitializeReason: result = {result}");
+        }
+
+        //AccountBalance
+        private async void button3_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.AccountBalance);
+            PrintLog($"AccountBalance result: {result}");
+        }
+
+        //AccountCredit
+        private async void button53_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.AccountCredit);
+            PrintLog($"AccountCredit result: {result}");
+        }
+
+        //AccountCompany
+        private async void button54_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.AccountCompany);
+            PrintLog($"AccountCompany result: {result}");
+        }
+
+        //AccountCurrency
+        private async void button55_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.AccountCurrency);
+            PrintLog($"AccountCurrency result: {result}");
+        }
+
+        //AccountEquity
+        private async void button56_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.AccountEquity);
+            PrintLog($"AccountEquity result: {result}");
+        }
+
+        //AccountFreeMargin
+        private async void button57_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.AccountFreeMargin);
+            PrintLog($"AccountFreeMargin result: {result}");
+        }
+
+        //AccountFreeMarginCheck
+        private async void button58_Click(object sender, EventArgs e)
+        {
+            var symbol = textBoxAccountInfoSymbol.Text;
+            if (string.IsNullOrEmpty(symbol))
+            {
+                MessageBox.Show(@"Symbol is not defined!");
+                textBoxAccountInfoSymbol.Focus();
+                return;
+            }
+
+            double volume;
+            if (double.TryParse(textBoxAccountInfoVolume.Text, out volume) == false)
+            {
+                MessageBox.Show(@"Failed to parse volume value!");
+                textBoxAccountInfoVolume.Focus();
+                return;
+            }
+
+            TradeOperation cmd;
+            Enum.TryParse(comboBoxAccountInfoCmd.Text, out cmd);
+
+            var result = await Execute(() => _apiClient.AccountFreeMarginCheck(symbol, cmd, volume));
+            PrintLog($"AccountFreeMarginCheck result: {result}");
+        }
+
+        //AccountFreeMarginMode
+        private async void button59_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.AccountFreeMarginMode);
+            PrintLog($"AccountFreeMarginMode result: {result}");
+        }
+
+        //AccountLeverage
+        private async void button60_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.AccountLeverage);
+            PrintLog($"AccountLeverage result: {result}");
+        }
+
+        //AccountMargin
+        private async void button61_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.AccountMargin);
+            PrintLog($"AccountMargin result: {result}");
+        }
+
+        //AccountName
+        private async void button62_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.AccountName);
+            PrintLog($"AccountName result: {result}");
+        }
+
+        //AccountNumber
+        private async void button63_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.AccountNumber);
+            PrintLog($"AccountNumber result: {result}");
+        }
+
+        //AccountProfit
+        private async void button64_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.AccountProfit);
+            PrintLog($"AccountProfit result: {result}");
+        }
+
+        //AccountServer
+        private async void button65_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.AccountServer);
+            PrintLog($"AccountServer result: {result}");
+        }
+
+        //AccountStopoutLevel
+        private async void button66_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.AccountStopoutLevel);
+            PrintLog($"AccountStopoutLevel result: {result}");
+        }
+
+        //AccountStopoutMode
+        private async void button67_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.AccountStopoutMode);
+            PrintLog($"AccountStopoutMode result: {result}");
+        }
+
+        //CharID
+        private async void button37_Click(object sender, EventArgs e)
+        {
+            var result = await Execute(_apiClient.ChartId);
+            PrintLog($"CharID: result = {result}");
+            RunOnUiThread(() => textBoxChartId.Text = result.ToString());
+        }
+
+        //ChartRedraw
+        private async void button38_Click(object sender, EventArgs e)
+        {
+            await Execute(() => _apiClient.ChartRedraw());
+            PrintLog($"ChartRedraw: called.");
+        }
+
+        //ObjectCreate
+        private async void button4_Click(object sender, EventArgs e)
+        {
+            const long chartId = 0;
+            const string objectName = "label_object";
+            EnumObject objectType;
+            Enum.TryParse(comboBox11.Text, out objectType);
+
+            var result = await Execute(() => _apiClient.ObjectCreate(chartId, objectName, objectType, 0, null, 0));
+            PrintLog($"ObjectCreate result: {result}");
+        }
+
+        //ObjectName
+        private async void button68_Click(object sender, EventArgs e)
+        {
+            const long chartId = 0;
+            const int objectIndex = 0;
+
+            var result = await Execute(() => _apiClient.ObjectName(chartId, objectIndex));
+            PrintLog($"ObjectName result: {result}");
+        }
+
+        private void button69_Click(object sender, EventArgs e)
+        {
+            _apiClient.UnlockTicks();
+        }
+
+        private async void button70_Click(object sender, EventArgs e)
+        {
+            var login = textBoxAccountLogin.Text;
+            var password = textBoxAccountPassword.Text;
+            var host = textBoxAccountHost.Text;
+
+            if (string.IsNullOrEmpty(login))
+            {
+                MessageBox.Show(@"Login is not defined!", @"Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
+                textBoxAccountLogin.Focus();
+                return;
+            }
+            if (string.IsNullOrEmpty(password))
+            {
+                MessageBox.Show(@"Password is not defined!", @"Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
+                textBoxAccountPassword.Focus();
+                return;
+            }
+            if (string.IsNullOrEmpty(host))
+            {
+                MessageBox.Show(@"Host is not defined!", @"Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
+                textBoxAccountHost.Focus();
+                return;
+            }
+
+            var result = await Execute(() => _apiClient.ChangeAccount(login, password, host));
+            PrintLog($"ChangeAccount result: {result}");
+        }
     }
 }

TestClients/TestMtApi/TestMtApi/App.config

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <startup>
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0,Profile=Client" />
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5"/>
     </startup>
-</configuration>
+</configuration>

TestClients/TestMtApi/TestMtApi/My Project/Application.Designer.vb

@@ -1,7 +1,7 @@
 '------------------------------------------------------------------------------
 ' <auto-generated>
 '     This code was generated by a tool.
-'     Runtime Version:4.0.30319.17929
+'     Runtime Version:4.0.30319.42000
 '
 '     Changes to this file may cause incorrect behavior and will be lost if
 '     the code is regenerated.

TestClients/TestMtApi/TestMtApi/My Project/Resources.Designer.vb

@@ -1,7 +1,7 @@
 '------------------------------------------------------------------------------
 ' <auto-generated>
 '     This code was generated by a tool.
-'     Runtime Version:4.0.30319.17929
+'     Runtime Version:4.0.30319.42000
 '
 '     Changes to this file may cause incorrect behavior and will be lost if
 '     the code is regenerated.
@@ -11,6 +11,7 @@
 Option Strict On
 Option Explicit On
 
+Imports System
 
 Namespace My.Resources
     
@@ -21,20 +22,20 @@ Namespace My.Resources
     '''<summary>
     '''  A strongly-typed resource class, for looking up localized strings, etc.
     '''</summary>
-    <Global.System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0"), _
-     Global.System.Diagnostics.DebuggerNonUserCodeAttribute(), _
-     Global.System.Runtime.CompilerServices.CompilerGeneratedAttribute(), _
-     Global.Microsoft.VisualBasic.HideModuleNameAttribute()> _
+    <Global.System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0"),  _
+     Global.System.Diagnostics.DebuggerNonUserCodeAttribute(),  _
+     Global.System.Runtime.CompilerServices.CompilerGeneratedAttribute(),  _
+     Global.Microsoft.VisualBasic.HideModuleNameAttribute()>  _
     Friend Module Resources
-
+        
         Private resourceMan As Global.System.Resources.ResourceManager
-
+        
         Private resourceCulture As Global.System.Globalization.CultureInfo
-
+        
         '''<summary>
         '''  Returns the cached ResourceManager instance used by this class.
         '''</summary>
-        <Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)> _
+        <Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)>  _
         Friend ReadOnly Property ResourceManager() As Global.System.Resources.ResourceManager
             Get
                 If Object.ReferenceEquals(resourceMan, Nothing) Then
@@ -44,17 +45,17 @@ Namespace My.Resources
                 Return resourceMan
             End Get
         End Property
-
+        
         '''<summary>
         '''  Overrides the current thread's CurrentUICulture property for all
         '''  resource lookups using this strongly typed resource class.
         '''</summary>
-        <Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)> _
+        <Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)>  _
         Friend Property Culture() As Global.System.Globalization.CultureInfo
             Get
                 Return resourceCulture
             End Get
-            Set(ByVal value As Global.System.Globalization.CultureInfo)
+            Set
                 resourceCulture = value
             End Set
         End Property

TestClients/TestMtApi/TestMtApi/My Project/Settings.Designer.vb

@@ -1,7 +1,7 @@
 '------------------------------------------------------------------------------
 ' <auto-generated>
 '     This code was generated by a tool.
-'     Runtime Version:4.0.30319.17929
+'     Runtime Version:4.0.30319.42000
 '
 '     Changes to this file may cause incorrect behavior and will be lost if
 '     the code is regenerated.
@@ -13,42 +13,42 @@ Option Explicit On
 
 
 Namespace My
-
-    <Global.System.Runtime.CompilerServices.CompilerGeneratedAttribute(), _
-     Global.System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "10.0.0.0"), _
-     Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)> _
+    
+    <Global.System.Runtime.CompilerServices.CompilerGeneratedAttribute(),  _
+     Global.System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "14.0.0.0"),  _
+     Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)>  _
     Partial Friend NotInheritable Class MySettings
         Inherits Global.System.Configuration.ApplicationSettingsBase
-
-        Private Shared defaultInstance As MySettings = CType(Global.System.Configuration.ApplicationSettingsBase.Synchronized(New MySettings), MySettings)
-
+        
+        Private Shared defaultInstance As MySettings = CType(Global.System.Configuration.ApplicationSettingsBase.Synchronized(New MySettings()),MySettings)
+        
 #Region "My.Settings Auto-Save Functionality"
 #If _MyType = "WindowsForms" Then
-        Private Shared addedHandler As Boolean
+    Private Shared addedHandler As Boolean
 
-        Private Shared addedHandlerLockObject As New Object
+    Private Shared addedHandlerLockObject As New Object
 
-        <Global.System.Diagnostics.DebuggerNonUserCodeAttribute(), Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)> _
-        Private Shared Sub AutoSaveSettings(ByVal sender As Global.System.Object, ByVal e As Global.System.EventArgs)
-            If My.Application.SaveMySettingsOnExit Then
-                My.Settings.Save()
-            End If
-        End Sub
+    <Global.System.Diagnostics.DebuggerNonUserCodeAttribute(), Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)> _
+    Private Shared Sub AutoSaveSettings(ByVal sender As Global.System.Object, ByVal e As Global.System.EventArgs)
+        If My.Application.SaveMySettingsOnExit Then
+            My.Settings.Save()
+        End If
+    End Sub
 #End If
 #End Region
-
+        
         Public Shared ReadOnly Property [Default]() As MySettings
             Get
-
+                
 #If _MyType = "WindowsForms" Then
-                   If Not addedHandler Then
-                        SyncLock addedHandlerLockObject
-                            If Not addedHandler Then
-                                AddHandler My.Application.Shutdown, AddressOf AutoSaveSettings
-                                addedHandler = True
-                            End If
-                        End SyncLock
-                    End If
+               If Not addedHandler Then
+                    SyncLock addedHandlerLockObject
+                        If Not addedHandler Then
+                            AddHandler My.Application.Shutdown, AddressOf AutoSaveSettings
+                            addedHandler = True
+                        End If
+                    End SyncLock
+                End If
 #End If
                 Return defaultInstance
             End Get

TestClients/TestMtApi/TestMtApi/TestMtApi.vbproj

@@ -13,8 +13,9 @@
     <AssemblyName>TestMtApi</AssemblyName>
     <FileAlignment>512</FileAlignment>
     <MyType>WindowsForms</MyType>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
-    <TargetFrameworkProfile>Client</TargetFrameworkProfile>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <TargetFrameworkProfile>
+    </TargetFrameworkProfile>
     <PublishUrl>publish\</PublishUrl>
     <Install>true</Install>
     <InstallFrom>Disk</InstallFrom>
@@ -40,6 +41,7 @@
     <OutputPath>bin\Debug\</OutputPath>
     <DocumentationFile>TestMtApi.xml</DocumentationFile>
     <NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x86' ">
     <PlatformTarget>x86</PlatformTarget>
@@ -50,6 +52,7 @@
     <OutputPath>bin\Release\</OutputPath>
     <DocumentationFile>TestMtApi.xml</DocumentationFile>
     <NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup>
     <OptionExplicit>On</OptionExplicit>
@@ -67,7 +70,6 @@
     <ApplicationManifest>My Project\app.manifest</ApplicationManifest>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="MtApi, Version=1.0.7.0, Culture=neutral, processorArchitecture=MSIL" />
     <Reference Include="System" />
     <Reference Include="System.Data" />
     <Reference Include="System.Deployment" />
@@ -126,6 +128,7 @@
     </EmbeddedResource>
   </ItemGroup>
   <ItemGroup>
+    <None Include="App.config" />
     <None Include="My Project\app.manifest" />
     <None Include="My Project\Application.myapp">
       <Generator>MyApplicationCodeGenerator</Generator>
@@ -159,6 +162,12 @@
       <Install>true</Install>
     </BootstrapperPackage>
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\MtApi\MtApi.csproj">
+      <Project>{7a76c388-a8fb-4949-8170-24d4742e934e}</Project>
+      <Name>MtApi</Name>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.VisualBasic.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.

mq4/mql4-auth.mqh

@@ -0,0 +1,163 @@
+//+----------------------------------------------------------------------------+
+//|                                                              mql4-auth.mqh |
+//+----------------------------------------------------------------------------+
+//|                                                      Built by Sergey Lukin |
+//|                                                    contact@sergeylukin.com |
+//+----------------------------------------------------------------------------+
+
+#include <WinUser32.mqh>
+
+#import "user32.dll"
+int GetAncestor(int,int);
+int GetLastActivePopup(int);
+int GetDlgItem(int,int);
+int GetParent(int hWnd);
+#import
+//+------------------------------------------------------------------+
+//|                                                                  |
+//+------------------------------------------------------------------+
+bool loginDialogIsOpen()
+  {
+   int hwnd=WindowHandle(Symbol(),Period());
+   int hMetaTrader,hLoginDialog=0;
+
+// Retrieve Terminal Window Handler
+   while(!IsStopped())
+     {
+      hwnd=GetParent(hwnd);
+      if(hwnd==0) break;
+      hMetaTrader=hwnd;
+     }
+
+   hLoginDialog=GetLastActivePopup(hMetaTrader);
+   if(hLoginDialog!=0)
+     {
+      return(true);
+        } else {
+      return(false);
+     }
+  }
+//+------------------------------------------------------------------+
+//|                                                                  |
+//+------------------------------------------------------------------+
+void closeLoginDialog()
+  {
+   int hwnd=WindowHandle(Symbol(),Period());
+   int hMetaTrader,hLoginDialog=0,hCancelButton=0;
+
+// Retrieve Terminal Window Handler
+   while(!IsStopped())
+     {
+      hwnd=GetParent(hwnd);
+      if(hwnd==0) break;
+      hMetaTrader=hwnd;
+     }
+
+   Sleep(60);
+
+   hLoginDialog=GetLastActivePopup(hMetaTrader);
+   if(hLoginDialog!=0)
+     {
+      hCancelButton=GetDlgItem(hLoginDialog,0x2);
+      if(hCancelButton!=0)
+        {
+         // Click "Cancel" button in Login Dialog
+         PostMessageA(hCancelButton,0x00F5,0,0);
+        }
+     }
+  }
+//+------------------------------------------------------------------+
+//|                                                                  |
+//+------------------------------------------------------------------+
+bool auth(string login,string passwd,string server)
+  {
+   datetime s=TimeLocal();
+   int h = 0, e = 0, a = GetAncestor(WindowHandle(Symbol(), NULL), 2);
+   int i = 0;
+
+   PostMessageA(a,WM_COMMAND,35429,0);
+
+   while(e==0)
+     {
+      // Give us up to a minute to find the Login dialog
+      if(TimeLocal()-s>60)
+        {
+         return(false);
+        }
+
+      h=GetLastActivePopup(a);
+
+      // Select login field
+      e=GetDlgItem(h,0x49d);
+
+      Sleep(1);
+     }
+
+// Press DELETE key many times in login field to remove current value
+   for(i=1; i<=100; i++) 
+     {
+      PostMessageA(e,WM_KEYDOWN,0x2E,1);
+     }
+// Iterate over characters in "login" string and pass them to login field one by one
+   char login_chars[];
+   string2CharsArray(login,login_chars);
+   for(i=0; i<ArraySize(login_chars); i++) 
+     {
+      PostMessageA(e,WM_CHAR,login_chars[i],0);
+     }
+
+// Select password field
+   e=GetDlgItem(h,0x4c4);
+// Press DELETE key many times in password field to remove current value
+   for(i=1; i<=100; i++) 
+     {
+      PostMessageA(e,WM_KEYDOWN,0x2E,1);
+     }
+// Iterate over characters in "passwd" string and pass them to password field one by one
+   char password_chars[];
+   string2CharsArray(passwd,password_chars);
+   for(i=0; i<ArraySize(password_chars); i++) 
+     {
+      PostMessageA(e,WM_CHAR,password_chars[i],0);
+     }
+
+// Select server field
+   e=GetDlgItem(h,0x50d);
+// Press DELETE key many times in server field to remove current value
+   for(i=1; i<=100; i++) 
+     {
+      PostMessageA(e,WM_KEYDOWN,0x2E,1);
+     }
+// Iterate over characters in "server" string and pass them to server field one by one
+   char server_chars[];
+   string2CharsArray(server,server_chars);
+
+   for(i=0; i<ArraySize(server_chars); i++) 
+     {
+      PostMessageA(e,WM_CHAR,server_chars[i],0);
+     }
+   Sleep(2*1000);
+// Press submit button
+   e=GetDlgItem(h,0x1);
+   SendMessageA(e,0x00F5,0,0);
+
+   return(true);
+  }
+//+------------------------------------------------------------------+
+//|                                                                  |
+//+------------------------------------------------------------------+
+/*
+ * Iterates over string and puts each character code in array
+ */
+void string2CharsArray(string myString,char  &chars[])
+  {
+   int cnt=StringLen(myString);
+   ArrayResize(chars,cnt);
+
+   for(int i=0; i<cnt; i++) 
+     {
+      chars[i]=StringGetChar(myString,i);
+     }
+  }
+//+------------------------------------------------------------------+
+

mq5/MtApi5.mq5

@@ -360,6 +360,7 @@ int executeCommand()
    
       sendStringResponse(ExpertHandle, PositionGetSymbol(index));
    }
+   break;
    
    case 8: //PositionSelect
    {
@@ -379,6 +380,7 @@ int executeCommand()
    
       sendDoubleResponse(ExpertHandle, PositionGetDouble(property_id));
    }
+   break;
    
    case 10: //PositionGetInteger
    {
@@ -1717,15 +1719,19 @@ int executeCommand()
    
    case 68: //Print
    {
-        string printMsg;
-        StringInit(printMsg, 1000, 0);
+      string printMsg;
+      StringInit(printMsg, 1000, 0);
 
-        getStringValue(ExpertHandle, 0, printMsg);
+      getStringValue(ExpertHandle, 0, printMsg);
          
-        Print(printMsg);      
-        sendBooleanResponse(ExpertHandle, true);
+      Print(printMsg);      
+      sendBooleanResponse(ExpertHandle, true);
    }
    break;
+   
+   case 69: //PositionSelectByTicket
+      Execute_PositionSelectByTicket();
+   break;
 
    default:
       Print("Unknown command type = ", commandType);
@@ -1736,6 +1742,13 @@ int executeCommand()
    return (commandType);
 }
 
+void Execute_PositionSelectByTicket()
+{
+   ulong ticket;
+   getULongValue(ExpertHandle, 0, ticket);
+   sendBooleanResponse(ExpertHandle, PositionSelectByTicket(ticket));
+}
+
 void PrintParamError(string paramName)
 {
    Print("[ERROR] parameter: ", paramName);
@@ -1775,6 +1788,8 @@ void ReadMqlTradeRequestFromCommand(MqlTradeRequest& request)
       request.expiration = (datetime)tmpEnumValue;  
       getStringValue(ExpertHandle, 14, commentValue);         
       request.comment = commentValue;
+      getULongValue(ExpertHandle, 15, request.position);
+      getULongValue(ExpertHandle, 16, request.position_by);
 }
 
 string BoolToString(bool value)