Merge master fixed conflict.

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

@@ -1,4 +1,5 @@
 using System;
+using System.Diagnostics;
 using log4net;
 using log4net.Appender;
 using log4net.Core;
@@ -24,7 +25,7 @@ namespace MTApiService
             };
             patternLayout.ActivateOptions();
 
-            string filename = $"{DateTime.Now.ToString("yyyy-dd-M--HH-mm-ss")}.{LogFileNameExtension}";
+            string filename = $"{DateTime.Now.ToString("yyyy-dd-M--HH-mm-ss")}-{Process.GetCurrentProcess().Id}.{LogFileNameExtension}";
 
             var roller = new RollingFileAppender
             {
@@ -40,10 +41,6 @@ namespace MTApiService
             roller.ActivateOptions();
             hierarchy.Root.AddAppender(roller);
 
-            var memory = new MemoryAppender();
-            memory.ActivateOptions();
-            hierarchy.Root.AddAppender(memory);
-
 #if (DEBUG)
             hierarchy.Root.Level = Level.Debug;
 #else

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
 
@@ -149,7 +149,7 @@ namespace MTApiService
                 _experts.Add(expert);
             }
 
-            _executorManager.AddCommandExecutor(expert);
+            _executorManager.AddExecutor(expert);
 
             _service.OnQuoteAdded(expert.Quote);
 
@@ -170,11 +170,20 @@ 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 +380,7 @@ namespace MTApiService
                 expertsCount = _experts.Count;
             }
 
-            _executorManager.RemoveCommandExecutor(expert);
+            _executorManager.RemoveExecutor(expert);
 
             expert.Deinited -= expert_Deinited;
             expert.QuoteChanged -= expert_QuoteChanged;
@@ -398,11 +407,11 @@ 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("1.0.22.0")]
-[assembly: AssemblyFileVersion("1.0.22.0")]
+[assembly: AssemblyVersion("1.0.25.0")]
+[assembly: AssemblyFileVersion("1.0.25.0")]

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;
@@ -17,242 +18,250 @@ 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);
-	memcpy(dest, wch, wcslen(wch) * sizeof(wchar_t));
-	dest[wcslen(wch)] = '\0';
+    pin_ptr<const wchar_t> wch = PtrToStringChars(src);
+    memcpy(dest, wch, wcslen(wch) * sizeof(wchar_t));
+    dest[wcslen(wch)] = '\0';
 }
 
-int _stdcall initExpert(int expertHandle, int port, wchar_t* symbol, double bid, double ask, wchar_t* err)
-{
-	try
-	{
-		MT4Handler^ mtHandler = gcnew MT4Handler();
-
-		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)
-{
-	try
-	{
-		MtServerInstance::GetInstance()->DeinitExpert(expertHandle);
-	}	
-	catch (Exception^ e)
-	{
-		convertSystemString(err, e->Message);
-		Debug::WriteLine("[ERROR] MTConnector:deinitExpert(): " + e->Message);
-		return 0;
-	}
-	return 1;
-}
-
-int _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;
-}
-
-
-int _stdcall sendEvent(int expertHandle, int eventType, wchar_t* payload, wchar_t* err)
+template <typename T> T Execute(std::function<T()> func, wchar_t* err, T default_value)
 {
+    T result = default_value;
     try
     {
-        MtServerInstance::GetInstance()->SendEvent(expertHandle, eventType, gcnew String(payload));
+        result = func();
     }
     catch (Exception^ e)
     {
         convertSystemString(err, e->Message);
-        Debug::WriteLine("[ERROR] MTConnector:updateTimeBar(): " + e->Message);
-        return 0;
     }
-    return 1;
+    return result;
 }
 
-int _stdcall sendIntResponse(int expertHandle, int response)
+_DLLAPI bool _stdcall initExpert(int expertHandle, int port, wchar_t* symbol, double bid, double ask, 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, &port, symbol, &bid, &ask]() {
+        MT4Handler^ mtHandler = gcnew MT4Handler();
+        MtAdapter::GetInstance()->InitExpert(expertHandle, port, gcnew String(symbol), bid, ask, mtHandler);
+        return true;
+    }, err, false);
+
 }
 
-int _stdcall sendBooleanResponse(int expertHandle, int response)
+_DLLAPI bool _stdcall deinitExpert(int expertHandle, 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]() {
+        MtAdapter::GetInstance()->DeinitExpert(expertHandle);
+        return true;
+    }, err, false);
 }
 
-int _stdcall sendDoubleResponse(int expertHandle, double response)
+_DLLAPI bool _stdcall updateQuote(int expertHandle, wchar_t* symbol, double bid, double ask, 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, symbol, &bid, &ask]() {
+        MtAdapter::GetInstance()->SendQuote(expertHandle, gcnew String(symbol), bid, ask);
+        return true;
+    }, err, false);
 }
 
-int _stdcall sendStringResponse(int expertHandle, wchar_t* response)
+
+_DLLAPI bool _stdcall sendEvent(int expertHandle, int eventType, wchar_t* payload, 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, &eventType, payload]() {
+        MtAdapter::GetInstance()->SendEvent(expertHandle, eventType, gcnew String(payload));
+        return true;
+    }, err, false);
 }
 
-int _stdcall sendVoidResponse(int expertHandle)
+_DLLAPI bool _stdcall sendIntResponse(int expertHandle, int response, 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, &response]() {
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseInt(response));
+        return true;
+    }, err, false);
 }
 
-int _stdcall sendDoubleArrayResponse(int expertHandle, double* values, int size)
+_DLLAPI bool _stdcall sendBooleanResponse(int expertHandle, bool response, wchar_t* err)
 {
-	try
-	{
-		array<double>^ list = gcnew array<double>(size);
-
-		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;
+    return Execute<bool>([&expertHandle, &response]() {
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseBool(response));
+        return true;
+    }, err, false);
 }
 
-int _stdcall sendIntArrayResponse(int expertHandle, int* values, int size)
+_DLLAPI bool _stdcall sendDoubleResponse(int expertHandle, double response, wchar_t* err)
 {
-	try
-	{
-		array<int>^ list = gcnew array<int>(size);
-
-		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;
+    return Execute<bool>([&expertHandle, &response]() {
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseDouble(response));
+        return true;
+    }, err, false);
 }
 
-int _stdcall getCommandType(int expertHandle, int* res)
+_DLLAPI bool _stdcall sendStringResponse(int expertHandle, wchar_t* response, 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, response]() {
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseString(gcnew String(response)));
+        return true;
+    }, err, false);
 }
 
-int _stdcall getIntValue(int expertHandle, int paramIndex, int* res)
+_DLLAPI bool _stdcall sendErrorResponse(int expertHandle, int code, wchar_t* message, 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, &code, message]() {
+        MtResponseString^ res = gcnew MtResponseString(gcnew String(message));
+        res->ErrorCode = code;
+        MtAdapter::GetInstance()->SendResponse(expertHandle, res);
+        return true;
+    }, err, false);
 }
 
-int _stdcall getDoubleValue(int expertHandle, int paramIndex, double* res)
+_DLLAPI bool _stdcall sendVoidResponse(int expertHandle, 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]() {
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseObject(nullptr));
+        return true;
+    }, err, false);
 }
 
-int _stdcall getStringValue(int expertHandle, int paramIndex, wchar_t* res)
+_DLLAPI bool _stdcall sendDoubleArrayResponse(int expertHandle, double* values, int size, 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, values, &size]() {
+        array<double>^ list = gcnew array<double>(size);
+        for (int i = 0; i < size; i++)
+        {
+            list[i] = values[i];
+        }
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseDoubleArray(list));
+        return true;
+    }, err, false);
+}
+
+_DLLAPI bool _stdcall sendIntArrayResponse(int expertHandle, int* values, int size, wchar_t* err)
+{
+    return Execute<bool>([&expertHandle, values, &size]() {
+        array<int>^ list = gcnew array<int>(size);
+        for (int i = 0; i < size; i++)
+        {
+            list[i] = values[i];
+        }
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseIntArray(list));
+        return true;
+    }, err, false);
+}
+
+_DLLAPI bool _stdcall sendLongResponse(int expertHandle, __int64 response, wchar_t* err)
+{
+    return Execute<bool>([&expertHandle, &response]() {
+        MtAdapter::GetInstance()->SendResponse(expertHandle, gcnew MtResponseLong(response));
+        return true;
+    }, err, false);
+}
+
+_DLLAPI bool _stdcall getCommandType(int expertHandle, int* res, wchar_t* err)
+{
+    return Execute<bool>([&expertHandle, res]() {
+        *res = MtAdapter::GetInstance()->GetCommandType(expertHandle);
+        return true;
+    }, err, false);
+}
+
+_DLLAPI bool _stdcall getIntValue(int expertHandle, int paramIndex, int* res, wchar_t* err)
+{
+    return Execute<bool>([&expertHandle, &paramIndex, res]() {
+        *res = (int)MtAdapter::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
+        return true;
+    }, err, false);
+}
+
+// --- index parameters
+
+_DLLAPI bool _stdcall getDoubleValue(int expertHandle, int paramIndex, double* res, wchar_t* err)
+{
+    return Execute<bool>([&expertHandle, &paramIndex, res]() {
+        *res = (double)MtAdapter::GetInstance()->GetCommandParameter(expertHandle, paramIndex);
+        return true;
+    }, err, false);
+}
+
+_DLLAPI bool _stdcall getStringValue(int expertHandle, int paramIndex, wchar_t* res, wchar_t* err)
+{
+    return Execute<bool>([&expertHandle, &paramIndex, res]() {
+        convertSystemString(res, (String^)MtAdapter::GetInstance()->GetCommandParameter(expertHandle, paramIndex));
+        return true;
+    }, err, false);
+}
+
+_DLLAPI bool _stdcall getBooleanValue(int expertHandle, int paramIndex, int* res, wchar_t* err)
+{
+    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

@@ -1,17 +0,0 @@
-LIBRARY MTConnector
-
-EXPORTS initExpert
-        deinitExpert
-        updateQuote
-		sendEvent
-		sendIntResponse
-		sendBooleanResponse
-		sendDoubleResponse
-		sendStringResponse
-		sendVoidResponse
-		sendDoubleArrayResponse
-		sendIntArrayResponse
-		getCommandType
-		getIntValue
-		getDoubleValue
-		getStringValue

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">

MetaTraderApi_2015.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 14
-VisualStudioVersion = 14.0.25123.0
+VisualStudioVersion = 14.0.25420.1
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TestApiClientUI", "TestClients\TestApiClientUI\TestApiClientUI.csproj", "{663CC515-EAAE-47D4-8933-5008C2DA1160}"
 EndProject
@@ -37,6 +37,16 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MtApiSetupActions", "MtApiS
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "TestClients", "TestClients", "{B91FF338-E05D-4EF1-948B-A2376DB37ECA}"
 EndProject
+Project("{930C7802-8A8C-48F9-8165-68863BCCD9DD}") = "MtApi5Bootstrapper", "MtApi5Bootstrapper\MtApi5Bootstrapper.wixproj", "{1497E285-C228-490B-9638-565E118548FB}"
+	ProjectSection(ProjectDependencies) = postProject
+		{A9ED070F-AB4D-4380-9DDE-5D931AC71333} = {A9ED070F-AB4D-4380-9DDE-5D931AC71333}
+	EndProjectSection
+EndProject
+Project("{930C7802-8A8C-48F9-8165-68863BCCD9DD}") = "MtApiBootstrapper", "MtApiBootstrapper\MtApiBootstrapper.wixproj", "{8E63046B-56E5-4623-8808-558AD72A8F2B}"
+	ProjectSection(ProjectDependencies) = postProject
+		{78B94552-DB17-40EC-B7C6-23D32DB85DC1} = {78B94552-DB17-40EC-B7C6-23D32DB85DC1}
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -196,6 +206,32 @@ Global
 		{10800F37-F71B-4818-8351-8CF744295F80}.Release|x64.ActiveCfg = Release|x86
 		{10800F37-F71B-4818-8351-8CF744295F80}.Release|x86.ActiveCfg = Release|x86
 		{10800F37-F71B-4818-8351-8CF744295F80}.Release|x86.Build.0 = Release|x86
+		{1497E285-C228-490B-9638-565E118548FB}.Debug|Any CPU.ActiveCfg = Debug|x86
+		{1497E285-C228-490B-9638-565E118548FB}.Debug|Win32.ActiveCfg = Debug|x86
+		{1497E285-C228-490B-9638-565E118548FB}.Debug|Win32.Build.0 = Debug|x86
+		{1497E285-C228-490B-9638-565E118548FB}.Debug|x64.ActiveCfg = Debug|x64
+		{1497E285-C228-490B-9638-565E118548FB}.Debug|x64.Build.0 = Debug|x64
+		{1497E285-C228-490B-9638-565E118548FB}.Debug|x64.Deploy.0 = Debug|x64
+		{1497E285-C228-490B-9638-565E118548FB}.Debug|x86.ActiveCfg = Debug|x86
+		{1497E285-C228-490B-9638-565E118548FB}.Debug|x86.Build.0 = Debug|x86
+		{1497E285-C228-490B-9638-565E118548FB}.Release|Any CPU.ActiveCfg = Release|x86
+		{1497E285-C228-490B-9638-565E118548FB}.Release|Win32.ActiveCfg = Release|x86
+		{1497E285-C228-490B-9638-565E118548FB}.Release|Win32.Build.0 = Release|x86
+		{1497E285-C228-490B-9638-565E118548FB}.Release|x64.ActiveCfg = Release|x64
+		{1497E285-C228-490B-9638-565E118548FB}.Release|x86.ActiveCfg = Release|x86
+		{1497E285-C228-490B-9638-565E118548FB}.Release|x86.Build.0 = Release|x86
+		{8E63046B-56E5-4623-8808-558AD72A8F2B}.Debug|Any CPU.ActiveCfg = Debug|x86
+		{8E63046B-56E5-4623-8808-558AD72A8F2B}.Debug|Win32.ActiveCfg = Debug|x86
+		{8E63046B-56E5-4623-8808-558AD72A8F2B}.Debug|Win32.Build.0 = Debug|x86
+		{8E63046B-56E5-4623-8808-558AD72A8F2B}.Debug|x64.ActiveCfg = Debug|x86
+		{8E63046B-56E5-4623-8808-558AD72A8F2B}.Debug|x86.ActiveCfg = Debug|x86
+		{8E63046B-56E5-4623-8808-558AD72A8F2B}.Debug|x86.Build.0 = Debug|x86
+		{8E63046B-56E5-4623-8808-558AD72A8F2B}.Release|Any CPU.ActiveCfg = Release|x86
+		{8E63046B-56E5-4623-8808-558AD72A8F2B}.Release|Win32.ActiveCfg = Release|x86
+		{8E63046B-56E5-4623-8808-558AD72A8F2B}.Release|Win32.Build.0 = Release|x86
+		{8E63046B-56E5-4623-8808-558AD72A8F2B}.Release|x64.ActiveCfg = Release|x86
+		{8E63046B-56E5-4623-8808-558AD72A8F2B}.Release|x86.ActiveCfg = Release|x86
+		{8E63046B-56E5-4623-8808-558AD72A8F2B}.Release|x86.Build.0 = Release|x86
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

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/EnumSeriesInfoInteger.cs

@@ -0,0 +1,10 @@
+namespace MtApi
+{
+    public enum EnumSeriesInfoInteger
+    {
+        SERIES_BARS_COUNT           = 0,
+        SERIES_FIRSTDATE            = 1,
+        SERIES_LASTBAR_DATE         = 5,
+        SERIES_SERVER_FIRSTDATE     = 2
+    }
+}

MtApi/EnumSymbolInfoDouble.cs

@@ -0,0 +1,46 @@
+namespace MtApi
+{
+    // https://docs.mql4.com/constants/environment_state/marketinfoconstants#enum_symbol_info_double
+    public enum EnumSymbolInfoDouble
+    {
+        SYMBOL_BID                          = 1, // Bid - best sell offer
+        SYMBOL_BIDHIGH                      = 2, // Not supported
+        SYMBOL_BIDLOW                       = 3, // Not supported
+        SYMBOL_ASK                          = 4, // Ask - best buy offer
+        SYMBOL_ASKHIGH                      = 5, // Not supported
+        SYMBOL_ASKLOW                       = 6, // Not supported
+        SYMBOL_LAST                         = 7, // Not supported
+        SYMBOL_LASTHIGH                     = 8, // Not supported
+        SYMBOL_LASTLOW                      = 9, // Not supported
+        SYMBOL_POINT                        = 16, // Symbol point value
+        SYMBOL_TRADE_TICK_VALUE             = 26, // Value of SYMBOL_TRADE_TICK_VALUE_PROFIT
+        SYMBOL_TRADE_TICK_VALUE_PROFIT      = 53, // Not supported
+        SYMBOL_TRADE_TICK_VALUE_LOSS        = 54, // Not supported
+        SYMBOL_TRADE_TICK_SIZE              = 27, // Minimal price change
+        SYMBOL_TRADE_CONTRACT_SIZE          = 28, // Trade contract size
+        SYMBOL_VOLUME_MIN                   = 34, // Minimal volume for a deal
+        SYMBOL_VOLUME_MAX                   = 35, // Maximal volume for a deal
+        SYMBOL_VOLUME_STEP                  = 36, // Minimal volume change step for deal execution
+        SYMBOL_VOLUME_LIMIT                 = 55, // Not supported
+        SYMBOL_SWAP_LONG                    = 38, // Buy order swap value
+        SYMBOL_SWAP_SHORT                   = 39, // Sell order swap value
+        SYMBOL_MARGIN_INITIAL               = 42, // Initial margin means the amount in the margin currency required for opening an order with the volume of one lot. It is used for checking a client's assets when he or she enters the market.
+        SYMBOL_MARGIN_MAINTENANCE           = 43, // The maintenance margin. If it is set, it sets the margin amount in the margin currency of the symbol, charged from one lot. It is used for checking a client's assets when his/her account state changes. If the maintenance margin is equal to 0, the initial margin is used.
+        SYMBOL_MARGIN_LONG                  = 44, // Not supported
+        SYMBOL_MARGIN_SHORT                 = 45, // Not supported
+        SYMBOL_MARGIN_LIMIT                 = 46, // Not supported
+        SYMBOL_MARGIN_STOP                  = 47, // Not supported
+        SYMBOL_MARGIN_STOPLIMIT             = 48, // Not supported
+        SYMBOL_SESSION_VOLUME               = 57, // Not supported
+        SYMBOL_SESSION_TURNOVER             = 58, // Not supported
+        SYMBOL_SESSION_INTEREST             = 59, // Not supported
+        SYMBOL_SESSION_BUY_ORDERS_VOLUME    = 61, // Not supported
+        SYMBOL_SESSION_SELL_ORDERS_VOLUME   = 63, // Not supported
+        SYMBOL_SESSION_OPEN                 = 64, // Not supported
+        SYMBOL_SESSION_CLOSE                = 65, // Not supported
+        SYMBOL_SESSION_AW                   = 66, // Not supported
+        SYMBOL_SESSION_PRICE_SETTLEMENT     = 67, // Not supported
+        SYMBOL_SESSION_PRICE_LIMIT_MIN      = 68, // Not supported
+        SYMBOL_SESSION_PRICE_LIMIT_MAX      = 69, // Not supported
+    }
+}

MtApi/EnumSymbolInfoInteger.cs

@@ -0,0 +1,31 @@
+namespace MtApi
+{
+    //MQL4: ENUM_SYMBOL_INFO_INTEGER
+    public enum EnumSymbolInfoInteger
+    {
+        SYMBOL_SELECT                   = 0,
+        SYMBOL_VISIBLE                  = 76,
+        SYMBOL_SESSION_DEALS            = 56,
+        SYMBOL_SESSION_BUY_ORDERS       = 60,
+        SYMBOL_SESSION_SELL_ORDERS      = 62,
+        SYMBOL_VOLUME                   = 10,
+        SYMBOL_VOLUMEHIGH               = 11,
+        SYMBOL_VOLUMELOW                = 12,
+        SYMBOL_TIME                     = 15,
+        SYMBOL_DIGITS                   = 17,
+        SYMBOL_SPREAD                   = 18,
+        SYMBOL_SPREAD_FLOAT             = 41,
+        SYMBOL_TRADE_CALC_MODE          = 29,
+        SYMBOL_TRADE_MODE               = 30,
+        SYMBOL_START_TIME               = 51,
+        SYMBOL_EXPIRATION_TIME          = 52,
+        SYMBOL_TRADE_STOPS_LEVEL        = 31,
+        SYMBOL_TRADE_FREEZE_LEVEL       = 32,
+        SYMBOL_TRADE_EXEMODE            = 33,
+        SYMBOL_SWAP_MODE                = 37,
+        SYMBOL_SWAP_ROLLOVER3DAYS       = 40,
+        SYMBOL_EXPIRATION_MODE          = 49,
+        SYMBOL_FILLING_MODE             = 50,
+        SYMBOL_ORDER_MODE               = 71
+    }
+}

MtApi/EnumTerminalInfoDouble.cs

@@ -0,0 +1,8 @@
+namespace MtApi
+{
+    // https://docs.mql4.com/constants/environment_state/terminalstatus#enum_terminal_info_double
+    public enum EnumTerminalInfoDouble
+    {
+        TERMINAL_COMMUNITY_BALANCE  = 25 // Balance in MQL5.community
+    }
+}

MtApi/EnumTerminalInfoInteger.cs

@@ -0,0 +1,27 @@
+namespace MtApi
+{
+    // https://docs.mql4.com/constants/environment_state/terminalstatus#enum_terminal_info_integer
+    public enum EnumTerminalInfoInteger
+    {
+        TERMINAL_BUILD                  = 5, // The client terminal build number
+        TERMINAL_COMMUNITY_ACCOUNT      = 23, // The flag indicates the presence of MQL5.community authorization data in the terminal
+        TERMINAL_COMMUNITY_CONNECTION   = 24, // Connection to MQL5.community
+        TERMINAL_CONNECTED              = 6, // Connection to a trade server
+        TERMINAL_DLLS_ALLOWED           = 7, // Permission to use DLL
+        TERMINAL_TRADE_ALLOWED          = 8, // Permission to trade
+        TERMINAL_EMAIL_ENABLED          = 9, // Permission to send e-mails using SMTP-server and login, specified in the terminal settings
+        TERMINAL_FTP_ENABLED            = 10, // Permission to send reports using FTP-server and login, specified in the terminal settings
+        TERMINAL_NOTIFICATIONS_ENABLED  = 26, // Permission to send notifications to smartphone
+        TERMINAL_MAXBARS                = 11, // The maximal bars count on the chart
+        TERMINAL_MQID                   = 22, // The flag indicates the presence of MetaQuotes ID data to send Push notifications
+        TERMINAL_CODEPAGE               = 12, // Number of the code page of the language installed in the client terminal
+        TERMINAL_CPU_CORES              = 21, // The number of CPU cores in the system
+        TERMINAL_DISK_SPACE             = 20, // Free disk space for the MQL4\Files folder of the terminal, Mb
+        TERMINAL_MEMORY_PHYSICAL        = 14, // Physical memory in the system, Mb
+        TERMINAL_MEMORY_TOTAL           = 15, // Memory available to the process of the terminal , Mb
+        TERMINAL_MEMORY_AVAILABLE       = 16, // Free memory of the terminal process, Mb
+        TERMINAL_MEMORY_USED            = 17, // Memory used by the terminal , Mb
+        TERMINAL_SCREEN_DPI             = 27, // The resolution of information display on the screen is measured as number of Dots in a line per Inch (DPI). Knowing the parameter value, you can set the size of graphical objects so that they look the same on monitors with different resolution characteristics.
+        TERMINAL_PING_LAST              = 28  // The last known value of a ping to a trade server in microseconds. One second comprises of one million microseconds
+    }
+}

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/MarketInfoModeType.cs

@@ -1,9 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-
-namespace MtApi
+namespace MtApi
 {
     public enum MarketInfoModeType
     {

MtApi/Monitors/TimeframeTradeMonitor.cs

@@ -4,7 +4,7 @@ namespace MtApi.Monitors
     public class TimeframeTradeMonitor : TradeMonitor
     {
         #region Fields
-        private volatile bool _isStarted = false;
+        private volatile bool _isStarted;
         #endregion
 
         #region ctor
@@ -23,13 +23,8 @@ namespace MtApi.Monitors
         // Returns:
         //     true if PositionMonitor should check orders
         //     otherwise, false.
-        public override bool IsStarted
-        {
-            get
-            {
-                return _isStarted;
-            }
-        }
+        public override bool IsStarted => _isStarted;
+
         #endregion
 
         #region Protected Methods

MtApi/Monitors/TradeMonitor.cs

@@ -13,7 +13,7 @@ namespace MtApi.Monitors
         #endregion
 
         #region ctor
-        public TradeMonitor(MtApiClient apiClient)
+        protected TradeMonitor(MtApiClient apiClient)
         {
             if (apiClient == null)
                 throw new ArgumentNullException(nameof(apiClient));
@@ -73,13 +73,7 @@ namespace MtApi.Monitors
         protected abstract void OnMtConnected();
         protected abstract void OnMtDisconnected();
 
-        public bool IsMtConnected
-        {
-            get
-            {
-                return _apiClient.ConnectionState == MtConnectionState.Connected;
-            }
-        }
+        public bool IsMtConnected => _apiClient.ConnectionState == MtConnectionState.Connected;
 
         protected void Check()
         {
@@ -113,12 +107,12 @@ namespace MtApi.Monitors
                 prevOrders = _prevOrders;
             }
 
-            if (_prevOrders != null) //skip checking on first load orders
+            if (prevOrders != null) //skip checking on first load orders
             {
                 //check open orders
                 foreach (var order in tradesOrders)
                 {
-                    if (_prevOrders.Find(a => a.Ticket == order.Ticket) == null)
+                    if (prevOrders.Find(a => a.Ticket == order.Ticket) == null)
                     {
                         openedOrders.Add(order);
                     }
@@ -126,7 +120,7 @@ namespace MtApi.Monitors
 
                 //check closed orders
                 var closeOrdersTemp = new List<MtOrder>();
-                foreach (var order in _prevOrders)
+                foreach (var order in prevOrders)
                 {
                     if (tradesOrders.Find(a => a.Ticket == order.Ticket) == null)
                     {
@@ -180,10 +174,7 @@ namespace MtApi.Monitors
                 _prevOrders = null;
             }
 
-            Task.Factory.StartNew(() =>
-            {
-                Check();
-            });
+            Task.Factory.StartNew(Check);
         }
         #endregion
     }

MtApi/MqlRates.cs

@@ -5,12 +5,7 @@ namespace MtApi
     public class MqlRates
     {
         public int MtTime { get; set; }
-
-        public DateTime Time
-        {
-            get { return MtApiTimeConverter.ConvertFromMtTime(MtTime); }
-        }
-
+        public DateTime Time => MtApiTimeConverter.ConvertFromMtTime(MtTime);
         public double Open { get; set; }
         public double High { get; set; }
         public double Low { get; set; }

MtApi/MqlTick.cs

@@ -0,0 +1,14 @@
+using System;
+
+namespace MtApi
+{
+    public class MqlTick
+    {
+        public int MtTime { get; set; }
+        public DateTime Time => MtApiTimeConverter.ConvertFromMtTime(MtTime);
+        public double Bid { get; set; }
+        public double Ask { get; set; }
+        public double Last { get; set; }
+        public ulong Volume { get; set; }
+    }
+}

MtApi/MtApi.csproj

@@ -59,9 +59,20 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="ChartPeriod.cs" />
-    <Compile Include="ExtensionMethods.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="FlagFontStyle.cs" />
     <Compile Include="Monitors\AvailabilityOrdersEventArgs.cs" />
     <Compile Include="MqlRates.cs" />
+    <Compile Include="MqlTick.cs" />
     <Compile Include="MtConnectionEventArgs.cs" />
     <Compile Include="MtConnectionException.cs" />
     <Compile Include="MtConnectionState.cs" />
@@ -72,6 +83,7 @@
     <Compile Include="MtOrder.cs" />
     <Compile Include="MtQuote.cs" />
     <Compile Include="MtQuoteEventArgs.cs" />
+    <Compile Include="MtSession.cs" />
     <Compile Include="MtTimeBar.cs" />
     <Compile Include="MtTypes.cs" />
     <Compile Include="Monitors\TradeMonitor.cs" />
@@ -90,14 +102,22 @@
     <Compile Include="Requests\OrderDeleteRequest.cs" />
     <Compile Include="Requests\OrderModifyRequest.cs" />
     <Compile Include="Requests\OrderSendRequest.cs" />
+    <Compile Include="Requests\SeriesInfoIntegerRequest.cs" />
+    <Compile Include="Requests\SessionRequest.cs" />
     <Compile Include="Requests\RequestBase.cs" />
     <Compile Include="Requests\RequestType.cs" />
+    <Compile Include="Requests\SymbolInfoDoubleRequest.cs" />
+    <Compile Include="Requests\SymbolInfoTickRequest.cs" />
     <Compile Include="Responses\CopyRatesResponse.cs" />
     <Compile Include="Responses\GetOrderResponse.cs" />
     <Compile Include="Responses\GetOrdersResponse.cs" />
     <Compile Include="Responses\ICustomResponse.cs" />
     <Compile Include="Responses\OrderSendResponse.cs" />
+    <Compile Include="Responses\SeriesInfoIntegerResponse.cs" />
+    <Compile Include="Responses\SessionResponse.cs" />
     <Compile Include="Responses\ResponseBase.cs" />
+    <Compile Include="Responses\SymbolInfoDoubleResponse.cs" />
+    <Compile Include="Responses\SymbolInfoTickResponse.cs" />
     <Compile Include="SeriesIdentifier.cs" />
     <Compile Include="TimeBarArgs.cs" />
     <Compile Include="Monitors\TimeframeTradeMonitor.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/MtCommandType.cs

@@ -1,9 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-
-namespace MtApi
+namespace MtApi
 {
     enum MtCommandType
     {
@@ -58,9 +53,15 @@ namespace MtApi
         IsVisualMode                        = 37,
         UninitializeReason                  = 38,
         ErrorDescription                    = 39,
+        TerminalCompany                     = 68,
+        TerminalName                        = 69,
+        TerminalPath                        = 70,
+        TerminalInfoString                  = 153,
+        TerminalInfoInteger                 = 204,
+        TerminalInfoDouble                  = 205,
 
         //Account Information
-        AccountBalance                      = 40,
+        AccountBalance = 40,
         AccountCredit                       = 41,
         AccountCompany                      = 42,
         AccountCurrency                     = 43,
@@ -91,11 +92,6 @@ namespace MtApi
         SendMail                            = 66,
         Sleep                               = 67,
 
-        //Client Terminal
-        TerminalCompany                     = 68,
-        TerminalName                        = 69,
-        TerminalPath                        = 70,
-
         //Date and Time
         Day                                 = 71,
         DayOfWeek                           = 72,
@@ -139,8 +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,
@@ -188,13 +184,49 @@ namespace MtApi
         //
         RefreshRates                        = 150,
         //
-        TerminalInfoString                  = 153,
-        SymbolInfoString                    = 154,
 
         //Requests
         MtRequest                           = 155,
 
         //Backtesting
-        BacktestingReady                    = 156
+        BacktestingReady                    = 156,
+
+        //Market Info
+        SymbolInfoString                    = 154,
+        SymbolsTotal                        = 200,
+        SymbolName                          = 201,
+        SymbolSelect                        = 202,
+        SymbolInfoInteger                   = 203,
+        ChartId                             = 206,
+        ChartRedraw                         = 207,
+
+        //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
     }
 }

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/MtErrorCode.cs

@@ -1,5 +1,6 @@
 namespace MtApi
 {
+    // https://docs.mql4.com/constants/errorswarnings/errorcodes
     public enum MtErrorCode
     {
         MtApiCustomError                    = -1,   // Error occurred in MtApi.
@@ -10,91 +11,91 @@
         ServerBusy                          = 4,    // Trade server is busy.
         OldVersion                          = 5,    // Old version of the client terminal.
         NoConnection                        = 6,    // No connection with trade server.
-        NotEnoughRights                     = 7,	// Not enough rights.
-        TooFrequentRequests                 = 8,	// Too frequent requests.
-        MalfunctionalTrade                  = 9,	// Malfunctional trade operation.
+        NotEnoughRights                     = 7,    // Not enough rights.
+        TooFrequentRequests                 = 8,    // Too frequent requests.
+        MalfunctionalTrade                  = 9,    // Malfunctional trade operation.
         AccountDisabled                     = 64,   // Account disabled.
-        InvalidAccount                      = 65,	// Invalid account.
-        TradeTimeout                        = 128,	// Trade timeout.
-        InvalidPrice                        = 129,	// Invalid price.
-        InvalidStops                        = 130,	// Invalid stops.
-        InvalidTradeVolume                  = 131,	// Invalid trade volume.
-        MarketClosed                        = 132,	// Market is closed.
-        TradeDisabled                       = 133,	// Trade is disabled.
-        NotEnoughMoney                      = 134,	// Not enough money.
-        PriceChanged                        = 135,	// Price changed.
-        OffQuotes                           = 136,	// Off quotes.
-        BrokerBusy                          = 137,	// Broker is busy.
-        Requote                             = 138,	// Requote.
-        OrderLocked                         = 139,	// Order is locked.
-        LongPositionsOnlyAllowed            = 140,	// Long positions only allowed.
-        TooManyRequests                     = 141,	// Too many requests.
-        TradeModifyDenied                   = 145,	// Modification denied because an order is too close to market.
-        TradeContextBusy                    = 146,	// Trade context is busy.
-        TradeExpirationDenied               = 147,	// Expirations are denied by broker.
-        TradeTooManyOrders                  = 148,	// The amount of opened and pending orders has reached the limit set by a broker.
+        InvalidAccount                      = 65,    // Invalid account.
+        TradeTimeout                        = 128,    // Trade timeout.
+        InvalidPrice                        = 129,    // Invalid price.
+        InvalidStops                        = 130,    // Invalid stops.
+        InvalidTradeVolume                  = 131,    // Invalid trade volume.
+        MarketClosed                        = 132,    // Market is closed.
+        TradeDisabled                       = 133,    // Trade is disabled.
+        NotEnoughMoney                      = 134,    // Not enough money.
+        PriceChanged                        = 135,    // Price changed.
+        OffQuotes                           = 136,    // Off quotes.
+        BrokerBusy                          = 137,    // Broker is busy.
+        Requote                             = 138,    // Requote.
+        OrderLocked                         = 139,    // Order is locked.
+        LongPositionsOnlyAllowed            = 140,    // Long positions only allowed.
+        TooManyRequests                     = 141,    // Too many requests.
+        TradeModifyDenied                   = 145,    // Modification denied because an order is too close to market.
+        TradeContextBusy                    = 146,    // Trade context is busy.
+        TradeExpirationDenied               = 147,    // Expirations are denied by broker.
+        TradeTooManyOrders                  = 148,    // The amount of opened and pending orders has reached the limit set by a broker.
 
-        NoMqlerror                          = 4000, // No error.
-        WrongFunctionPointer                = 4001, // Wrong function pointer.
-        ArrayIndexOutOfRange                = 4002, // Array index is out of range.
-        NoMemoryForFunctionCallStack        = 4003, // No memory for function call stack.
-        RecursiveStackOverflow              = 4004, // Recursive stack overflow.
-        NotEnoughStackForParameter          = 4005, // Not enough stack for parameter.
-        NoMemoryForParameterString          = 4006,	// No memory for parameter string.
-        NoMemoryForTempString               = 4007,	// No memory for temp string.
-        NotInitializedString                = 4008,	// Not initialized string.
-        NotInitializedArraystring           = 4009,	// Not initialized string in an array.
-        NoMemoryForArraystring              = 4010,	// No memory for an array string.
-        TooLongString                       = 4011,	// Too long string.
-        RemainderFromZeroDivide             = 4012,	// Remainder from zero divide.
-        ZeroDivide                          = 4013,	// Zero divide.
-        UnknownCommand                      = 4014,	// Unknown command.
-        WrongJump                           = 4015,	// Wrong jump.
-        NotInitializedArray                 = 4016,	// Not initialized array.
-        DllCallsNotAllowed                  = 4017,	// DLL calls are not allowed.
-        CannotLoadLibrary                   = 4018,	// Cannot load library.
-        CannotCallFunction                  = 4019,	// Cannot call function.
-        ExternalExpertCallsNotAllowed       = 4020,	// EA function calls are not allowed.
-        NotEnoughMemoryForReturnedString    = 4021,	// Not enough memory for a string returned from a function.
-        SystemBusy                          = 4022,	// System is busy.
-        InvalidFunctionParametersCount      = 4050,	// Invalid function parameters count.
-        InvalidFunctionParameterValue       = 4051,	// Invalid function parameter value.
-        StringFunctionInternalError         = 4052,	// String function internal error.
-        SomeArrayError                      = 4053,	// Some array error.
-        IncorrectSeriesArrayUsing           = 4054,	// Incorrect series array using.
-        CustomIndicatorError                = 4055,	// Custom indicator error.
-        IncompatibleArrays                  = 4056,	// Arrays are incompatible.
-        GlobalVariablesProcessingError      = 4057,	// Global variables processing error.
-        GlobalVariableNotFound              = 4058,	// Global variable not found.
-        FunctionNotAllowedInTestingMode     = 4059,	// Function is not allowed in testing mode.
-        FunctionNotConfirmed                = 4060,	// Function is not confirmed.
-        SendMailError                       = 4061,	// Mail sending error.
-        StringParameterExpected             = 4062,	// String parameter expected.
-        IntegerParameterExpected            = 4063,	// Integer parameter expected.
-        DoubleParameterExpected             = 4064,	// Double parameter expected.
-        ArrayAsParameterExpected            = 4065,	// Array as parameter expected.
-        HistoryWillUpdated                  = 4066,	// Requested history data in updating state.
-        TradeError	                        = 4067, // Some error in trade operation execution.
-        EndOfFile                           = 4099,	// End of a file.
-        SomeFileError                       = 4100,	// Some file error.
-        WrongFileName                       = 4101,	// Wrong file name.
-        TooManyOpenedFiles                  = 4102,	// Too many opened files.
-        CannotOpenFile                      = 4103,	// Cannot open file.
-        IncompatibleAccessToFile            = 4104,	// Incompatible access to a file.
-        NoOrderSelected                     = 4105,	// No order selected.
-        UnknownSymbol                       = 4106,	// Unknown symbol.
-        InvalidPriceParam                   = 4107,	// Invalid price.
-        InvalidTicket                       = 4108,	// Invalid ticket.
-        TradeNotAllowed                     = 4109,	// Trade is not allowed.
-        LongsNotAllowed                     = 4110,	// Longs are not allowed.
-        ShortsNotAllowed                    = 4111,	// Shorts are not allowed.
-        ObjectAlreadyExists                 = 4200,	// Object already exists.
-        UnknownObjectProperty               = 4201,	// Unknown object property.
-        ObjectDoesNotExist                  = 4202,	// Object does not exist.
-        UnknownObjectType                   = 4203,	// Unknown object type.
-        NoObjectName                        = 4204,	// No object name.
-        ObjectCoordinatesError              = 4205,	// Object coordinates error.
-        NoSpecifiedSubwindow                = 4206,	// No specified subwindow.
-        SomeObjectError                     = 4207	// Some error in object operation.
+        NoMqlerror                          = 4000,    // No error.
+        WrongFunctionPointer                = 4001,    // Wrong function pointer.
+        ArrayIndexOutOfRange                = 4002,    // Array index is out of range.
+        NoMemoryForFunctionCallStack        = 4003,    // No memory for function call stack.
+        RecursiveStackOverflow              = 4004,    // Recursive stack overflow.
+        NotEnoughStackForParameter          = 4005,    // Not enough stack for parameter.
+        NoMemoryForParameterString          = 4006,    // No memory for parameter string.
+        NoMemoryForTempString               = 4007,    // No memory for temp string.
+        NotInitializedString                = 4008,    // Not initialized string.
+        NotInitializedArraystring           = 4009,    // Not initialized string in an array.
+        NoMemoryForArraystring              = 4010,    // No memory for an array string.
+        TooLongString                       = 4011,    // Too long string.
+        RemainderFromZeroDivide             = 4012,    // Remainder from zero divide.
+        ZeroDivide                          = 4013,    // Zero divide.
+        UnknownCommand                      = 4014,    // Unknown command.
+        WrongJump                           = 4015,    // Wrong jump.
+        NotInitializedArray                 = 4016,    // Not initialized array.
+        DllCallsNotAllowed                  = 4017,    // DLL calls are not allowed.
+        CannotLoadLibrary                   = 4018,    // Cannot load library.
+        CannotCallFunction                  = 4019,    // Cannot call function.
+        ExternalExpertCallsNotAllowed       = 4020,    // EA function calls are not allowed.
+        NotEnoughMemoryForReturnedString    = 4021,    // Not enough memory for a string returned from a function.
+        SystemBusy                          = 4022,    // System is busy.
+        InvalidFunctionParametersCount      = 4050,    // Invalid function parameters count.
+        InvalidFunctionParameterValue       = 4051,    // Invalid function parameter value.
+        StringFunctionInternalError         = 4052,    // String function internal error.
+        SomeArrayError                      = 4053,    // Some array error.
+        IncorrectSeriesArrayUsing           = 4054,    // Incorrect series array using.
+        CustomIndicatorError                = 4055,    // Custom indicator error.
+        IncompatibleArrays                  = 4056,    // Arrays are incompatible.
+        GlobalVariablesProcessingError      = 4057,    // Global variables processing error.
+        GlobalVariableNotFound              = 4058,    // Global variable not found.
+        FunctionNotAllowedInTestingMode     = 4059,    // Function is not allowed in testing mode.
+        FunctionNotConfirmed                = 4060,    // Function is not confirmed.
+        SendMailError                       = 4061,    // Mail sending error.
+        StringParameterExpected             = 4062,    // String parameter expected.
+        IntegerParameterExpected            = 4063,    // Integer parameter expected.
+        DoubleParameterExpected             = 4064,    // Double parameter expected.
+        ArrayAsParameterExpected            = 4065,    // Array as parameter expected.
+        HistoryWillUpdated                  = 4066,    // Requested history data in updating state.
+        TradeError                            = 4067, // Some error in trade operation execution.
+        EndOfFile                           = 4099,    // End of a file.
+        SomeFileError                       = 4100,    // Some file error.
+        WrongFileName                       = 4101,    // Wrong file name.
+        TooManyOpenedFiles                  = 4102,    // Too many opened files.
+        CannotOpenFile                      = 4103,    // Cannot open file.
+        IncompatibleAccessToFile            = 4104,    // Incompatible access to a file.
+        NoOrderSelected                     = 4105,    // No order selected.
+        UnknownSymbol                       = 4106,    // Unknown symbol.
+        InvalidPriceParam                   = 4107,    // Invalid price.
+        InvalidTicket                       = 4108,    // Invalid ticket.
+        TradeNotAllowed                     = 4109,    // Trade is not allowed.
+        LongsNotAllowed                     = 4110,    // Longs are not allowed.
+        ShortsNotAllowed                    = 4111,    // Shorts are not allowed.
+        ObjectAlreadyExists                 = 4200,    // Object already exists.
+        UnknownObjectProperty               = 4201,    // Unknown object property.
+        ObjectDoesNotExist                  = 4202,    // Object does not exist.
+        UnknownObjectType                   = 4203,    // Unknown object type.
+        NoObjectName                        = 4204,    // No object name.
+        ObjectCoordinatesError              = 4205,    // Object coordinates error.
+        NoSpecifiedSubwindow                = 4206,    // No specified subwindow.
+        SomeObjectError                     = 4207    // Some error in object operation.
     }
 }

MtApi/MtQuote.cs

@@ -1,15 +1,11 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-
-namespace MtApi
+namespace MtApi
 {
     public class MtQuote
     {
         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)
         {
@@ -17,5 +13,13 @@ namespace MtApi
             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/MtSession.cs

@@ -0,0 +1,23 @@
+using System;
+
+namespace MtApi
+{
+    public class MtSession
+    {
+        public string Symbol { get; set; }
+        public DayOfWeek DayOfWeek { get; set; }
+        public uint Index { get; set; }
+        public int MtFromTime { get; set; }
+        public DateTime From => MtApiTimeConverter.ConvertFromMtTime(MtFromTime);
+        public int MtToTime { get; set; }
+        public DateTime To => MtApiTimeConverter.ConvertFromMtTime(MtToTime);
+        public bool HasData { get; set; }
+        public SessionType Type { get; set; }
+    }
+
+    public enum SessionType
+    {
+        Quote,
+        Trade
+    }
+}

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("1.0.30.0")]
-[assembly: AssemblyFileVersion("1.0.30.0")]
+[assembly: AssemblyVersion("1.0.33.0")]
+[assembly: AssemblyFileVersion("1.0.33.0")]

MtApi/Requests/CopyRatesRequest.cs

@@ -1,12 +1,6 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace MtApi.Requests
+namespace MtApi.Requests
 {
-    public abstract class CopyRatesRequestBase : RequestBase
+    internal abstract class CopyRatesRequestBase : RequestBase
     {
         public enum CopyRatesTypeEnum
         {
@@ -15,10 +9,7 @@ namespace MtApi.Requests
             CopyRates_3 = 3,
         }
 
-        public override RequestType RequestType
-        {
-            get { return RequestType.CopyRates; }
-        }
+        public override RequestType RequestType => RequestType.CopyRates;
 
         public abstract CopyRatesTypeEnum CopyRatesType { get; }
 
@@ -26,34 +17,25 @@ namespace MtApi.Requests
         public ENUM_TIMEFRAMES Timeframe { get; set; }
     }
 
-    public class CopyRates1Request : CopyRatesRequestBase
+    internal class CopyRates1Request : CopyRatesRequestBase
     {
-        public override CopyRatesTypeEnum CopyRatesType
-        {
-            get { return CopyRatesTypeEnum.CopyRates_1; }
-        }
+        public override CopyRatesTypeEnum CopyRatesType => CopyRatesTypeEnum.CopyRates_1;
 
         public int StartPos { get; set; }
         public int Count { get; set; }
     }
 
-    public class CopyRates2Request : CopyRatesRequestBase
+    internal class CopyRates2Request : CopyRatesRequestBase
     {
-        public override CopyRatesTypeEnum CopyRatesType
-        {
-            get { return CopyRatesTypeEnum.CopyRates_2; }
-        }
+        public override CopyRatesTypeEnum CopyRatesType => CopyRatesTypeEnum.CopyRates_2;
 
         public int StartTime { get; set; }
         public int Count { get; set; }
     }
 
-    public class CopyRates3Request : CopyRatesRequestBase
+    internal class CopyRates3Request : CopyRatesRequestBase
     {
-        public override CopyRatesTypeEnum CopyRatesType
-        {
-            get { return CopyRatesTypeEnum.CopyRates_3; }
-        }
+        public override CopyRatesTypeEnum CopyRatesType => CopyRatesTypeEnum.CopyRates_3;
 
         public int StartTime { get; set; }
         public int StopTime { get; set; }

MtApi/Requests/GetOrderRequest.cs

@@ -1,14 +1,11 @@
 namespace MtApi.Requests
 {
-    public class GetOrderRequest: RequestBase
+    internal class GetOrderRequest: RequestBase
     {
         public int Index { get; set; }
         public int Select { get; set; }
         public int Pool { get; set; }
 
-        public override RequestType RequestType
-        {
-            get { return RequestType.GetOrder; }
-        }
+        public override RequestType RequestType => RequestType.GetOrder;
     }
 }

MtApi/Requests/GetOrdersRequest.cs

@@ -1,12 +1,9 @@
 namespace MtApi.Requests
 {
-    public class GetOrdersRequest: RequestBase
+    internal class GetOrdersRequest: RequestBase
     {
         public int Pool { get; set; }
 
-        public override RequestType RequestType
-        {
-            get { return RequestType.GetOrders; }
-        }
+        public override RequestType RequestType => RequestType.GetOrders;
     }
 }

MtApi/Requests/ICustomRequest.cs

@@ -1,10 +1,8 @@
-
-using System;
-using System.Collections;
+using System.Collections;
 
 namespace MtApi.Requests
 {
-    public class ICustomRequest : RequestBase
+    internal class ICustomRequest : RequestBase
     {
         public enum ParametersType
         {
@@ -22,9 +20,6 @@ namespace MtApi.Requests
         public ArrayList Params { get; set; }
         public ParametersType ParamsType { get; set; }
 
-        public override RequestType RequestType
-        {
-            get { return RequestType.iCustom; }
-        }
+        public override RequestType RequestType => RequestType.iCustom;
     }
 }

MtApi/Requests/OrderCloseByRequest.cs

@@ -1,15 +1,12 @@
 namespace MtApi.Requests
 {
-    public class OrderCloseByRequest: RequestBase
+    internal class OrderCloseByRequest: RequestBase
     {
         public int Ticket { get; set; }
         public int Opposite { get; set; }
 
         public int? ArrowColor { get; set; }
 
-        public override RequestType RequestType
-        {
-            get { return RequestType.OrderCloseBy; }
-        }
+        public override RequestType RequestType => RequestType.OrderCloseBy;
     }
 }

MtApi/Requests/OrderCloseRequest.cs

@@ -1,6 +1,6 @@
 namespace MtApi.Requests
 {
-    public class OrderCloseRequest: RequestBase
+    internal class OrderCloseRequest: RequestBase
     {
         public int Ticket { get; set; }
 
@@ -9,9 +9,6 @@
         public int? Slippage { get; set; }
         public int? ArrowColor { get; set; }
 
-        public override RequestType RequestType
-        {
-            get { return RequestType.OrderClose; }
-        }
+        public override RequestType RequestType => RequestType.OrderClose;
     }
 }

MtApi/Requests/OrderDeleteRequest.cs

@@ -1,14 +1,11 @@
 namespace MtApi.Requests
 {
-    public class OrderDeleteRequest: RequestBase
+    internal class OrderDeleteRequest: RequestBase
     {
         public int Ticket { get; set; }
 
         public int? ArrowColor { get; set; }
 
-        public override RequestType RequestType
-        {
-            get { return RequestType.OrderDelete; }
-        }
+        public override RequestType RequestType => RequestType.OrderDelete;
     }
 }

MtApi/Requests/OrderModifyRequest.cs

@@ -1,6 +1,6 @@
 namespace MtApi.Requests
 {
-    public class OrderModifyRequest: RequestBase
+    internal class OrderModifyRequest: RequestBase
     {
         public int Ticket { get; set; }
         public double Price { get; set; }
@@ -10,9 +10,6 @@
 
         public int? ArrowColor { get; set; }
 
-        public override RequestType RequestType
-        {
-            get { return RequestType.OrderModify; }
-        }
+        public override RequestType RequestType => RequestType.OrderModify;
     }
 }

MtApi/Requests/OrderSendRequest.cs

@@ -1,6 +1,6 @@
 namespace MtApi.Requests
 {
-    public class OrderSendRequest: RequestBase
+    internal class OrderSendRequest: RequestBase
     {
         public string Symbol { get; set; }
         public int Cmd { get; set; }
@@ -15,9 +15,6 @@
         public int? Expiration { get; set; }
         public int? ArrowColor { get; set; }
 
-        public override RequestType RequestType
-        {
-            get { return RequestType.OrderSend; }
-        }
+        public override RequestType RequestType => RequestType.OrderSend;
     }
 }

MtApi/Requests/RequestBase.cs

@@ -1,9 +1,7 @@
-using Newtonsoft.Json;
-
-namespace MtApi.Requests
-{
-    public abstract class RequestBase
+namespace MtApi.Requests
+{
+    internal abstract class RequestBase
     {
-        public abstract RequestType RequestType { get; }
-    }
-}
+        public abstract RequestType RequestType { get; }
+    }
+}

MtApi/Requests/RequestType.cs

@@ -1,16 +1,20 @@
 namespace MtApi.Requests
 {
-    public enum RequestType
+    internal enum RequestType
     {
-        Unknown         = 0,
-        GetOrder        = 1,
-        GetOrders       = 2,
-        OrderSend       = 3,
-        OrderClose      = 4,
-        OrderCloseBy    = 5,
-        OrderDelete     = 6,
-        OrderModify     = 7,
-        iCustom         = 8,
-        CopyRates       = 9
+        Unknown             = 0,
+        GetOrder            = 1,
+        GetOrders           = 2,
+        OrderSend           = 3,
+        OrderClose          = 4,
+        OrderCloseBy        = 5,
+        OrderDelete         = 6,
+        OrderModify         = 7,
+        iCustom             = 8,
+        CopyRates           = 9,
+        Session             = 10,
+        SeriesInfoInteger   = 11,
+        SymbolInfoDouble    = 12,
+        SymbolInfoTick      = 13
     }
 }

MtApi/Requests/SeriesInfoIntegerRequest.cs

@@ -0,0 +1,11 @@
+namespace MtApi.Requests
+{
+    internal class SeriesInfoIntegerRequest: RequestBase
+    {
+        public override RequestType RequestType => RequestType.SeriesInfoInteger;
+
+        public string SymbolName { get; set; }
+        public int Timeframe { get; set; }
+        public int PropId { get; set; }
+    }
+}

MtApi/Requests/SessionRequest.cs

@@ -0,0 +1,14 @@
+using System;
+
+namespace MtApi.Requests
+{
+    internal class SessionRequest : RequestBase
+    {
+        public string Symbol { get; set; }
+        public DayOfWeek DayOfWeek { get; set; }
+        public int SessionIndex { get; set; }
+        public SessionType SessionType { get; set; }
+
+        public override RequestType RequestType => RequestType.Session;
+    }
+}

MtApi/Requests/SymbolInfoDoubleRequest.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace MtApi.Requests
+{
+    internal class SymbolInfoDoubleRequest : RequestBase
+    {
+        public override RequestType RequestType => RequestType.SymbolInfoDouble;
+
+        public string SymbolName { get; set; }
+        public int PropId { get; set; }
+    }
+}

MtApi/Requests/SymbolInfoTickRequest.cs

@@ -0,0 +1,9 @@
+namespace MtApi.Requests
+{
+    internal class SymbolInfoTickRequest: RequestBase
+    {
+        public override RequestType RequestType => RequestType.SymbolInfoTick;
+
+        public string Symbol { get; set; }
+    }
+}

MtApi/Responses/CopyRatesResponse.cs

@@ -2,7 +2,7 @@
 
 namespace MtApi.Responses
 {
-    public class CopyRatesResponse: ResponseBase
+    internal class CopyRatesResponse: ResponseBase
     {
         public List<MqlRates> Rates { get; set; }
     }

MtApi/Responses/GetOrderResponse.cs

@@ -1,6 +1,6 @@
 namespace MtApi.Responses
 {
-    public class GetOrderResponse: ResponseBase
+    internal class GetOrderResponse: ResponseBase
     {
         public MtOrder Order { get; set; }
     }

MtApi/Responses/GetOrdersResponse.cs

@@ -2,7 +2,7 @@
 
 namespace MtApi.Responses
 {
-    public class GetOrdersResponse: ResponseBase
+    internal class GetOrdersResponse: ResponseBase
     {
         public List<MtOrder> Orders { get; set; } 
     }

MtApi/Responses/ICustomResponse.cs

@@ -1,12 +1,6 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace MtApi.Responses
+namespace MtApi.Responses
 {
-    public class ICustomResponse: ResponseBase
+    internal class ICustomResponse: ResponseBase
     {
         public double Value { get; set; }
     }

MtApi/Responses/OrderSendResponse.cs

@@ -1,6 +1,6 @@
 namespace MtApi.Responses
 {
-    public class OrderSendResponse: ResponseBase
+    internal class OrderSendResponse: ResponseBase
     {
         public int Ticket { get; set; }
     }

MtApi/Responses/ResponseBase.cs

@@ -1,6 +1,6 @@
 namespace MtApi.Responses
 {
-    public class ResponseBase
+    internal class ResponseBase
     {
         public int ErrorCode { get; set; }
         public string ErrorMessage { get; set; }

MtApi/Responses/SeriesInfoIntegerResponse.cs

@@ -0,0 +1,7 @@
+namespace MtApi.Responses
+{
+    internal class SeriesInfoIntegerResponse: ResponseBase
+    {
+        public long Value { get; set; }
+    }
+}

MtApi/Responses/SessionResponse.cs

@@ -0,0 +1,7 @@
+namespace MtApi.Responses
+{
+    internal class SessionResponse : ResponseBase
+    {
+        public MtSession Session { get; set; }
+    }
+}

MtApi/Responses/SymbolInfoDoubleResponse.cs

@@ -0,0 +1,7 @@
+namespace MtApi.Responses
+{
+    internal class SymbolInfoDoubleResponse: ResponseBase
+    {
+        public double Value { get; set; }
+    }
+}

MtApi/Responses/SymbolInfoTickResponse.cs

@@ -0,0 +1,7 @@
+namespace MtApi.Responses
+{
+    internal class SymbolInfoTickResponse: ResponseBase
+    {
+        public MqlTick Tick { get; set; }
+    }
+}

MtApi/TimeBarArgs.cs

@@ -1,8 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace MtApi
 {

MtApi/TradeOperation.cs

@@ -1,9 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-
-namespace MtApi
+namespace MtApi
 {
     public enum TradeOperation
     {

MtApi5/CopyTicksFlag.cs

@@ -0,0 +1,9 @@
+namespace MtApi5
+{
+    public enum CopyTicksFlag
+    {
+        Info    = 1, // ticks with Bid and/or Ask changes
+        Trade   = 2, // ticks with changes in Last and Volume
+        All     = -1 // all ticks
+    }
+}

MtApi5/ErrorCode.cs

@@ -0,0 +1,188 @@
+namespace MtApi5
+{
+    //Error codes from https://www.mql5.com/en/docs/constants/errorswarnings/errorcodes
+
+    public enum ErrorCode
+    {
+        ErrCustom                           = -1,   // Error occurred in MtApi5.
+        ErrSuccess                          = 0,    // The operation completed successfully
+        ErrInternalError                    = 4001, // Unexpected internal error
+        ErrWrongInternalParameter           = 4002, // Wrong parameter in the inner call of the client terminal function
+        ErrInvalidParameter                 = 4003, // Wrong parameter when calling the system function
+        ErrNotEnoughMemory                  = 4004, // Not enough memory to perform the system function
+        ErrStructWithobjectsOrclass         = 4005, // The structure contains objects of strings and/or dynamic arrays and/or structure of such objects and/or classes
+        ErrInvalidArray                     = 4006, // Array of a wrong type, wrong size, or a damaged object of a dynamic array
+        ErrArrayResizeError                 = 4007, // Not enough memory for the relocation of an array, or an attempt to change the size of a static array
+        ErrStringResizeError                = 4008, // Not enough memory for the relocation of string
+        ErrNotinitializedString             = 4009, // Not initialized string
+        ErrInvalidDatetime                  = 4010, // Invalid date and/or time
+        ErrArrayBadSize                     = 4011, // Requested array size exceeds 2 GB
+        ErrInvalidPointer                   = 4012, // Wrong pointer
+        ErrInvalidPointerType               = 4013, // Wrong type of pointer
+        ErrFunctionNotAllowed               = 4014, // Function is not allowed for call
+        ErrResourceNameDuplicated           = 4015, // The names of the dynamic and the static resource match
+        ErrResourceNotFound                 = 4016, // Resource with this name has not been found in EX5
+        ErrResourceUnsuppotedType           = 4017, // Unsupported resource type or its size exceeds 16 Mb
+        ErrResourceNameIsTooLong            = 4018, // The resource name exceeds 63 characters
+
+        ErrChartWrongId                     = 4101, // Wrong chart ID
+        ErrChartNoReply                     = 4102, // Chart does not respond
+        ErrChartNotFound                    = 4103, // Chart not found
+        ErrChartNoExpert                    = 4104, // No Expert Advisor in the chart that could handle the event
+        ErrChartCannotOpen                  = 4105, // Chart opening error
+        ErrChartCannotChange                = 4106, // Failed to change chart symbol and period
+        ErrChartWrongParameter              = 4107, // Error value of the parameter for the function of working with charts
+        ErrChartCannotCreateTimer           = 4108, // Failed to create timer
+        ErrChartWrongProperty               = 4109, // Wrong chart property ID
+        ErrChartScreenshotFailed            = 4110, // Error creating screenshots
+        ErrChartNavigateFailed              = 4111, // Error navigating through chart
+        ErrChartTemplateFailed              = 4112, // Error applying template
+        ErrChartWindowNotFound              = 4113, // Subwindow containing the indicator was not found
+        ErrChartIndicatorCannotAdd          = 4114, // Error adding an indicator to chart
+        ErrChartIndicatorCannotDel          = 4115, // Error deleting an indicator from the chart
+        ErrChartIndicatorNotFound           = 4116, // Indicator not found on the specified chart
+
+        ErrObjectError                      = 4201, // Error working with a graphical object
+        ErrObjectNotFound                   = 4202, // Graphical object was not found
+        ErrObjectWrongProperty              = 4203, // Wrong ID of a graphical object property
+        ErrObjectGetdateFailed              = 4204, // Unable to get date corresponding to the value
+        ErrObjectGetvalueFailed             = 4205, // Unable to get value corresponding to the date
+
+        ErrMarketUnknownSymbol              = 4301, // Unknown symbol
+        ErrMarketNotSelected                = 4302, // Symbol is not selected in MarketWatch
+        ErrMarketWrongProperty              = 4303, // Wrong identifier of a symbol property
+        ErrMarketLasttimeUnknown            = 4304, // Time of the last tick is not known (no ticks)
+        ErrMarketSelectError                = 4305, // Error adding or deleting a symbol in MarketWatch
+
+        ErrHistoryNotFound                  = 4401, // Requested history not found
+        ErrHistoryWrongProperty             = 4402, // Wrong ID of the history property
+
+        ErrGlobalvariableNotFound           = 4501, // Global variable of the client terminal is not found
+        ErrGlobalvariableExists             = 4502, // Global variable of the client terminal with the same name already exists
+        ErrMailSendFailed                   = 4510, // Email sending failed
+        ErrPlaySoundFailed                  = 4511, // Sound playing failed
+        ErrMql5WrongProperty                = 4512, // Wrong identifier of the program property
+        ErrTerminalWrongProperty            = 4513, // Wrong identifier of the terminal property
+        ErrFtpSendFailed                    = 4514, // File sending via ftp failed
+        ErrNotificationSendFailed           = 4515, // Failed to send a notification
+        ErrNotificationWrongParameter       = 4516, // Invalid parameter for sending a notification — an empty string or NULL has been passed to the SendNotification() function
+        ErrNotificationWrongSettings        = 4517, // Wrong settings of notifications in the terminal (ID is not specified or permission is not set)
+        ErrNotificationTooFrequent          = 4518, // Too frequent sending of notifications
+        ErrFtpNoserver                      = 4519, // FTP server is not specified
+        ErrFtpNologin                       = 4520, // FTP login is not specified
+        ErrFtpFileError                     = 4521, // File not found in the MQL5\Files directory to send on FTP server
+        ErrFtpConnectFailed                 = 4522, // FTP connection failed
+        ErrFtpChangedir                     = 4523, // FTP path not found on server
+        ErrFtpClosed                        = 4524, // FTP connection closed
+
+        ErrBuffersNoMemory                  = 4601, // Not enough memory for the distribution of indicator buffers
+        ErrBuffersWrongIndex                = 4602, // Wrong indicator buffer index
+
+        ErrCustomWrongProperty              = 4603, // Wrong ID of the custom indicator property
+
+        ErrAccountWrongProperty             = 4701, // Wrong account property ID
+        ErrTradeWrongProperty               = 4751, // Wrong trade property ID
+        ErrTradeDisabled                    = 4752, // Trading by Expert Advisors prohibited
+        ErrTradePositionNotFound            = 4753, // Position not found
+        ErrTradeOrderNotFound               = 4754, // Order not found
+        ErrTradeDealNotFound                = 4755, // Deal not found
+        ErrTradeSendFailed                  = 4756, // Trade request sending failed
+
+        ErrIndicatorUnknownSymbol           = 4801, // Unknown symbol
+        ErrIndicatorCannotCreate            = 4802, // Indicator cannot be created
+        ErrIndicatorNoMemory                = 4803, // Not enough memory to add the indicator
+        ErrIndicatorCannotApply             = 4804, // The indicator cannot be applied to another indicator
+        ErrIndicatorCannotAdd               = 4805, // Error applying an indicator to chart
+        ErrIndicatorDataNotFound            = 4806, // Requested data not found
+        ErrIndicatorWrongHandle             = 4807, // Wrong indicator handle
+        ErrIndicatorWrongParameters         = 4808, // Wrong number of parameters when creating an indicator
+        ErrIndicatorParametersMissing       = 4809, // No parameters when creating an indicator
+        ErrIndicatorCustomName              = 4810, // The first parameter in the array must be the name of the custom indicator
+        ErrIndicatorParameterType           = 4811, // Invalid parameter type in the array when creating an indicator
+        ErrIndicatorWrongIndex              = 4812, // Wrong index of the requested indicator buffer
+
+        ErrBooksCannotAdd                   = 4901, // Depth Of Market can not be added
+        ErrBooksCannotDelete                = 4902, // Depth Of Market can not be removed
+        ErrBooksCannotGet                   = 4903, // The data from Depth Of Market can not be obtained
+        ErrBooksCannotSubscribe             = 4904, // Error in subscribing to receive new data from Depth Of Market
+
+        ErrTooManyFiles                     = 5001, // More than 64 files cannot be opened at the same time
+        ErrWrongFilename                    = 5002, // Invalid file name
+        ErrTooLongFilename                  = 5003, // Too long file name
+        ErrCannotOpenFile                   = 5004, // File opening error
+        ErrFileCachebufferError             = 5005, // Not enough memory for cache to read
+        ErrCannotDeleteFile                 = 5006, // File deleting error
+        ErrInvalidFilehandle                = 5007, // A file with this handle was closed, or was not opening at all
+        ErrWrongFilehandle                  = 5008, // Wrong file handle
+        ErrFileNottowrite                   = 5009, // The file must be opened for writing
+        ErrFileNottoread                    = 5010, // The file must be opened for reading
+        ErrFileNotbin                       = 5011, // The file must be opened as a binary one
+        ErrFileNottxt                       = 5012, // The file must be opened as a text
+        ErrFileNottxtorcsv                  = 5013, // The file must be opened as a text or CSV
+        ErrFileNotcsv                       = 5014, // The file must be opened as CSV
+        ErrFileReaderror                    = 5015, // File reading error
+        ErrFileBinstringsize                = 5016, // String size must be specified, because the file is opened as binary
+        ErrIncompatibleFile                 = 5017, // A text file must be for string arrays, for other arrays - binary
+        ErrFileIsDirectory                  = 5018, // This is not a file, this is a directory
+        ErrFileNotExist                     = 5019, // File does not exist
+        ErrFileCannotRewrite                = 5020, // File can not be rewritten
+        ErrWrongDirectoryname               = 5021, // Wrong directory name
+        ErrDirectoryNotExist                = 5022, // Directory does not exist
+        ErrFileIsnotDirectory               = 5023, // This is a file, not a directory
+        ErrCannotDeleteDirectory            = 5024, // The directory cannot be removed
+        ErrCannotCleanDirectory             = 5025, // Failed to clear the directory (probably one or more files are blocked and removal operation failed)
+        ErrFileWriteerror                   = 5026, // Failed to write a resource to a file
+        ErrFileEndoffile                    = 5027, // Unable to read the next piece of data from a CSV file (FileReadString, FileReadNumber, FileReadDatetime, FileReadBool), since the end of file is reached
+
+        ErrNoStringDate                     = 5030, // No date in the string
+        ErrWrongStringDate                  = 5031, // Wrong date in the string
+        ErrWrongStringTime                  = 5032, // Wrong time in the string
+        ErrStringTimeError                  = 5033, // Error converting string to date
+        ErrStringOutOfMemory                = 5034, // Not enough memory for the string
+        ErrStringSmallLen                   = 5035, // The string length is less than expected
+        ErrStringTooBignumber               = 5036, // Too large number, more than ULONG_MAX
+        ErrWrongFormatstring                = 5037, // Invalid format string
+        ErrTooManyFormatters                = 5038, // Amount of format specifiers more than the parameters
+        ErrTooManyParameters                = 5039, // Amount of parameters more than the format specifiers
+        ErrWrongStringParameter             = 5040, // Damaged parameter of string type
+        ErrStringposOutofrange              = 5041, // Position outside the string
+        ErrStringZeroadded                  = 5042, // 0 added to the string end, a useless operation
+        ErrStringUnknowntype                = 5043, // Unknown data type when converting to a string
+        ErrWrongStringObject                = 5044, // Damaged string object
+
+        ErrIncompatibleArrays               = 5050, // Copying incompatible arrays. String array can be copied only to a string array, and a numeric array - in numeric array only
+        ErrSmallAsseriesArray               = 5051, // The receiving array is declared as AS_SERIES, and it is of insufficient size
+        ErrSmallArray                       = 5052, // Too small array, the starting position is outside the array
+        ErrZerosizeArray                    = 5053, // An array of zero length
+        ErrNumberArraysOnly                 = 5054, // Must be a numeric array
+        ErrOnedimArraysOnly                 = 5055, // Must be a one-dimensional array
+        ErrSeriesArray                      = 5056, // Timeseries cannot be used
+        ErrDoubleArrayOnly                  = 5057, // Must be an array of type double
+        ErrFloatArrayOnly                   = 5058, // Must be an array of type float
+        ErrLongArrayOnly                    = 5059, // Must be an array of type long
+        ErrIntArrayOnly                     = 5060, // Must be an array of type int
+        ErrShortArrayOnly                   = 5061, // Must be an array of type short
+        ErrCharArrayOnly                    = 5062, // Must be an array of type char
+
+        ErrOpenclNotSupported               = 5100, // OpenCL functions are not supported on this computer
+        ErrOpenclInternal                   = 5101, // Internal error occurred when running OpenCL
+        ErrOpenclInvalidHandle              = 5102, // Invalid OpenCL handle
+        ErrOpenclContextCreate              = 5103, // Error creating the OpenCL context
+        ErrOpenclQueueCreate                = 5104, // Failed to create a run queue in OpenCL
+        ErrOpenclProgramCreate              = 5105, // Error occurred when compiling an OpenCL program
+        ErrOpenclTooLongKernelName          = 5106, // Too long kernel name (OpenCL kernel)
+        ErrOpenclKernelCreate               = 5107, // Error creating an OpenCL kernel
+        ErrOpenclSetKernelParameter         = 5108, // Error occurred when setting parameters for the OpenCL kernel
+        ErrOpenclExecute                    = 5109, // OpenCL program runtime error
+        ErrOpenclWrongBufferSize            = 5110, // Invalid size of the OpenCL buffer
+        ErrOpenclWrongBufferOffset          = 5111, // Invalid offset in the OpenCL buffer
+        ErrOpenclBufferCreate               = 5112, // Failed to create an OpenCL buffer
+
+        ErrWebrequestInvalidAddress         = 5200, // Invalid URL
+        ErrWebrequestConnectFailed          = 5201, // Failed to connect to specified URL
+        ErrWebrequestTimeout                = 5202, // Timeout exceeded
+        ErrWebrequestRequestFailed          = 5203, // HTTP request failed
+
+        ErrUserErrorFirst                   = 65536 // User defined errors start with this code
+    }
+}

MtApi5/ExecutionException.cs

@@ -0,0 +1,15 @@
+using System;
+
+namespace MtApi5
+{
+    public class ExecutionException: Exception
+    {
+        public ExecutionException(ErrorCode errorCode, string message)
+            :base(message)
+        {
+            ErrorCode = errorCode;
+        }
+
+        public ErrorCode ErrorCode { get; private set; }
+    }
+}

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/MqlTick.cs

@@ -1,7 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 
 namespace MtApi5
 {
@@ -9,17 +6,24 @@ namespace MtApi5
     {
         public MqlTick(DateTime time, double bid, double ask, double last, ulong volume)
         {
-            this.time = time;
+            MtTime = Mt5TimeConverter.ConvertToMtTime(time);
             this.bid = bid;
             this.ask = ask;
             this.last = last;
             this.volume = volume;
         }
 
-        public DateTime time { get; private set; }          // Time of the last prices update
-        public double bid { get; private set; }           // Current Bid price
-        public double ask { get; private set; }           // Current Ask price
-        public double last { get; private set; }          // Price of the last deal (Last)
-        public ulong volume { get; private set; }        // Volume for the current Last price
+        public MqlTick()
+        {
+        }
+
+        public long MtTime { get; set; }          // Time of the last prices update
+
+        public double bid { get; set; }           // Current Bid price
+        public double ask { get; set; }           // Current Ask price
+        public double last { get; set; }          // Price of the last deal (Last)
+        public ulong volume { get; set; }        // Volume for the current Last price
+
+        public DateTime time => Mt5TimeConverter.ConvertFromMtTime(MtTime);
     }
 }

MtApi5/Mt5CommandType.cs

@@ -110,6 +110,9 @@ namespace MtApi5
         BacktestingReady                    = 66,
         IsTesting                           = 67,
 
-        Print                               = 68
+        Print                               = 68,
+
+        //Requests
+        MtRequest                           = 155,
     }
 }

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/MtApi5.csproj

@@ -32,6 +32,10 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Newtonsoft.Json, Version=8.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
+      <HintPath>..\packages\Newtonsoft.Json.8.0.3\lib\net40\Newtonsoft.Json.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration.Install" />
     <Reference Include="System.Core" />
@@ -43,6 +47,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="CopyTicksFlag.cs" />
     <Compile Include="MqlBookInfo.cs" />
     <Compile Include="MqlRates.cs" />
     <Compile Include="MqlTick.cs" />
@@ -51,15 +56,21 @@
     <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" />
     <Compile Include="MtApi5Client.cs" />
     <Compile Include="Mt5CommandType.cs" />
     <Compile Include="MtConverters.cs" />
+    <Compile Include="ErrorCode.cs" />
+    <Compile Include="ExecutionException.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Mt5Quote.cs" />
+    <Compile Include="Requests\CopyTicksRequest.cs" />
+    <Compile Include="Requests\RequestBase.cs" />
+    <Compile Include="Requests\RequestType.cs" />
+    <Compile Include="Responses\CopyTicksResponse.cs" />
+    <Compile Include="Responses\ResponseBase.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\MTApiService\MTApiService.csproj">
@@ -67,6 +78,9 @@
       <Name>MTApiService</Name>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.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.

MtApi5/MtApi5Client.cs

@@ -4,6 +4,10 @@ using System.Linq;
 using MTApiService;
 using System.Collections;
 using System.ServiceModel;
+using MtApi5.Requests;
+using MtApi5.Responses;
+using Newtonsoft.Json;
+using System.Threading.Tasks;
 
 namespace MtApi5
 {
@@ -28,22 +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>
@@ -53,15 +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>
@@ -70,8 +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>
@@ -79,8 +69,7 @@ namespace MtApi5
         ///</summary>
         public void BeginDisconnect()
         {
-            Action disconnectAction = Disconnect;
-            disconnectAction.BeginInvoke(null, null);
+            Task.Factory.StartNew(() => Disconnect(false));
         }
 
         ///<summary>
@@ -88,11 +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());
         }
 
@@ -1200,6 +1186,24 @@ namespace MtApi5
 
             return spreadArray?.Length ?? 0;
         }
+
+
+        ///<summary>
+        ///The function receives ticks in the MqlTick format into ticks_array. In this case, ticks are indexed from the past to the present, i.e. the 0 indexed tick is the oldest one in the array. For tick analysis, check the flags field, which shows what exactly has changed in the tick.
+        ///</summary>
+        ///<param name="symbolName">Symbol name.</param>
+        ///<param name="flags">The flag that determines the type of received ticks.</param>
+        ///<param name="from">The date from which you want to request ticks.  In milliseconds since 1970.01.01. If from=0, the last count ticks will be returned.</param>
+        ///<param name="count">The number of ticks that you want to receive. If the 'from' and 'count' parameters are not specified, all available recent ticks (but not more than 2000) will be written to result.</param>
+        ///<see href="https://www.mql5.com/en/docs/series/copyticks"/>
+        public List<MqlTick> CopyTicks(string symbolName, CopyTicksFlag flags = CopyTicksFlag.All, ulong from = 0, uint count = 0)
+        {
+            var response = SendRequest<CopyTicksResponse>(new CopyTicksRequest
+            {
+                SymbolName = symbolName, Flags = (int)flags, From = from, Count = count
+            });
+            return response.Ticks;
+        }
         #endregion
 
         #region Market Info
@@ -1302,7 +1306,7 @@ namespace MtApi5
             tick = null;
             if (retVal != null)
             {
-                tick = new MqlTick(Mt5TimeConverter.ConvertFromMtTime(retVal.time), retVal.bid, retVal.ask, retVal.last, retVal.volume);
+                tick = new MqlTick { MtTime = retVal.time, ask = retVal.ask, bid = retVal.bid, last = retVal.last, volume = retVal.volume };
             }
 
             return tick != null;
@@ -1411,7 +1415,37 @@ 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
@@ -1422,97 +1456,180 @@ 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 void mClient_QuoteUpdated(MtQuote quote)
+        private T SendRequest<T>(RequestBase request) where T : ResponseBase, new()
+        {
+            if (request == null)
+                return default(T);
+
+            var serializer = JsonConvert.SerializeObject(request, Formatting.None,
+                            new JsonSerializerSettings
+                            {
+                                NullValueHandling = NullValueHandling.Ignore
+                            });
+            var commandParameters = new ArrayList { serializer };
+
+            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);
+            if (response.ErrorCode != 0)
+            {
+                throw new ExecutionException((ErrorCode)response.ErrorCode, response.ErrorMessage);
+            }
+
+            return response;
+        }
+
+
+        private void _client_QuoteUpdated(MtQuote quote)
         {
             if (quote != null)
             {
@@ -1520,28 +1637,24 @@ 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("1.0.10.0")]
-[assembly: AssemblyFileVersion("1.0.10.0")]
+[assembly: AssemblyVersion("1.0.11.1")]
+[assembly: AssemblyFileVersion("1.0.11.1")]

MtApi5/Requests/CopyTicksRequest.cs

@@ -0,0 +1,12 @@
+namespace MtApi5.Requests
+{
+    internal class CopyTicksRequest: RequestBase
+    {
+        public override RequestType RequestType => RequestType.CopyTicks;
+
+        public string SymbolName { get; set; }
+        public int Flags { get; set; }
+        public ulong From { get; set; }
+        public uint Count { get; set; }
+    }
+}

MtApi5/Requests/RequestBase.cs

@@ -0,0 +1,7 @@
+namespace MtApi5.Requests
+{
+    internal abstract class RequestBase
+    {
+        public abstract RequestType RequestType { get; }
+    }
+}

MtApi5/Requests/RequestType.cs

@@ -0,0 +1,8 @@
+namespace MtApi5.Requests
+{
+    internal enum RequestType
+    {
+        Unknown         = 0,
+        CopyTicks       = 1
+    }
+}

MtApi5/Responses/CopyTicksResponse.cs

@@ -0,0 +1,9 @@
+using System.Collections.Generic;
+
+namespace MtApi5.Responses
+{
+    internal class CopyTicksResponse: ResponseBase
+    {
+         public List<MqlTick> Ticks { get; set; }
+    }
+}

MtApi5/Responses/ResponseBase.cs

@@ -0,0 +1,8 @@
+namespace MtApi5.Responses
+{
+    internal class ResponseBase
+    {
+        public int ErrorCode { get; set; }
+        public string ErrorMessage { get; set; }
+    }
+}

MtApi5/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Newtonsoft.Json" version="8.0.3" targetFramework="net40" />
+</packages>

MtApi5Bootstrapper/Bundle.wxs

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi" xmlns:bal="http://schemas.microsoft.com/wix/BalExtension">
+  <?if $(var.Platform) = x64 ?>
+    <?define MsiSourceFileName="MtApi5Installer_x64.msi"?>
+    <?define VcRedistFileName="vc_redist.x64.exe"?>
+  <?else ?>
+    <?define MsiSourceFileName="MtApi5Installer_x86.msi"?>
+    <?define VcRedistFileName="vc_redist.x86.exe"?>
+  <?endif ?>
+
+  <?define ProductName="!(bind.packageName.MtApi5Msi)" ?>
+  <?define ProductVersion="!(bind.packageVersion.MtApi5Msi)" ?>
+  <?define Manufacturer="!(bind.packageManufacturer.MtApi5Msi)" ?>
+
+  <Bundle Name="$(var.ProductName) Bootstrapper"
+          Version="$(var.ProductVersion)"
+          Manufacturer="$(var.Manufacturer)"
+          UpgradeCode="1497e285-c228-490b-9638-565e118548fb">
+
+    <BootstrapperApplicationRef Id="WixStandardBootstrapperApplication.RtfLicense">
+      <bal:WixStandardBootstrapperApplication LicenseFile="..\LICENSE.rtf"/>
+    </BootstrapperApplicationRef>
+
+    <Chain>
+      
+      <ExePackage SourceFile="..\vcredist\$(var.VcRedistFileName)"
+                  Name="Redist\$(var.VcRedistFileName)"
+                  Cache="no"
+                  Compressed="yes"
+                  InstallCommand="/install /quiet /norestart">
+        <!-- Ignore "Newer version installed" error -->
+        <ExitCode Value="1638" Behavior="success"/>
+      </ExePackage>
+      
+      <MsiPackage Id="MtApi5Msi"
+                  SourceFile="..\build\installers\$(var.Configuration)\$(var.MsiSourceFileName)"
+                  Visible="yes"
+                  DisplayInternalUI="yes" />
+    
+    </Chain>
+  </Bundle>
+</Wix>

MtApi5Bootstrapper/MtApi5Bootstrapper.wixproj

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">x86</Platform>
+    <ProductVersion>3.10</ProductVersion>
+    <ProjectGuid>1497e285-c228-490b-9638-565e118548fb</ProjectGuid>
+    <SchemaVersion>2.0</SchemaVersion>
+    <OutputName>MtApi5_Setup_$(Platform)</OutputName>
+    <OutputType>Bundle</OutputType>
+    <WixTargetsPath Condition=" '$(WixTargetsPath)' == '' AND '$(MSBuildExtensionsPath32)' != '' ">$(MSBuildExtensionsPath32)\Microsoft\WiX\v3.x\Wix.targets</WixTargetsPath>
+    <WixTargetsPath Condition=" '$(WixTargetsPath)' == '' ">$(MSBuildExtensionsPath)\Microsoft\WiX\v3.x\Wix.targets</WixTargetsPath>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x86' ">
+    <OutputPath>..\build\installers\$(Configuration)\</OutputPath>
+    <IntermediateOutputPath>obj\$(Configuration)\</IntermediateOutputPath>
+    <DefineConstants>Debug</DefineConstants>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x86' ">
+    <OutputPath>..\build\installers\$(Configuration)\</OutputPath>
+    <IntermediateOutputPath>obj\$(Configuration)\</IntermediateOutputPath>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x64' ">
+    <DefineConstants>Debug</DefineConstants>
+    <OutputPath>..\build\installers\$(Configuration)\</OutputPath>
+    <IntermediateOutputPath>obj\$(Platform)\$(Configuration)\</IntermediateOutputPath>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x64' ">
+    <OutputPath>..\build\installers\$(Configuration)\</OutputPath>
+    <IntermediateOutputPath>obj\$(Platform)\$(Configuration)\</IntermediateOutputPath>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="Bundle.wxs" />
+  </ItemGroup>
+  <ItemGroup>
+    <WixExtension Include="WixBalExtension">
+      <HintPath>$(WixExtDir)\WixBalExtension.dll</HintPath>
+      <Name>WixBalExtension</Name>
+    </WixExtension>
+  </ItemGroup>
+  <Import Project="$(WixTargetsPath)" />
+  <!--
+	To modify your build process, add your task inside one of the targets below and uncomment it.
+	Other similar extension points exist, see Wix.targets.
+	<Target Name="BeforeBuild">
+	</Target>
+	<Target Name="AfterBuild">
+	</Target>
+	-->
+</Project>

MtApi5Installer/MtApi5Installer.wixproj

@@ -6,7 +6,7 @@
     <ProductVersion>3.6</ProductVersion>
     <ProjectGuid>{a9ed070f-ab4d-4380-9dde-5d931ac71333}</ProjectGuid>
     <SchemaVersion>2.0</SchemaVersion>
-    <OutputName>MtApi5Installer</OutputName>
+    <OutputName>MtApi5Installer_$(Platform)</OutputName>
     <OutputType>Package</OutputType>
     <WixTargetsPath Condition=" '$(WixTargetsPath)' == '' AND '$(MSBuildExtensionsPath32)' != '' ">$(MSBuildExtensionsPath32)\Microsoft\WiX\v3.x\Wix.targets</WixTargetsPath>
     <WixTargetsPath Condition=" '$(WixTargetsPath)' == '' ">$(MSBuildExtensionsPath)\Microsoft\WiX\v3.x\Wix.targets</WixTargetsPath>
@@ -22,11 +22,11 @@
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x64' ">
     <DefineConstants>Debug</DefineConstants>
-    <OutputPath>..\build\installers\$(Configuration)\x64\</OutputPath>
+    <OutputPath>..\build\installers\$(Configuration)</OutputPath>
     <IntermediateOutputPath>obj\$(Platform)\$(Configuration)\</IntermediateOutputPath>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x64' ">
-    <OutputPath>..\build\installers\$(Configuration)\x64\</OutputPath>
+    <OutputPath>..\build\installers\$(Configuration)\</OutputPath>
     <IntermediateOutputPath>obj\$(Platform)\$(Configuration)\</IntermediateOutputPath>
   </PropertyGroup>
   <ItemGroup>

MtApi5Installer/Product.wxs

@@ -1,30 +1,32 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
+    <?define ProductName="MtApi5" ?>
+
     <?if $(var.Platform) = x64 ?>
-        <?define ProductName="MtApi5_x64" ?>
         <?define ProductPathNative="..\build\products\$(var.Configuration)\x64\"?>
         <?define PlatformProgramFilesFolder = "ProgramFiles64Folder" ?>
         <?define PlatformSystemFolder = "System64Folder" ?>    
     <?else ?>
-        <?define ProductName="MtApi5" ?>
         <?define ProductPathNative="..\build\products\$(var.Configuration)\"?>
         <?define PlatformProgramFilesFolder = "ProgramFilesFolder" ?>
         <?define PlatformSystemFolder = "SystemFolder" ?>
     <?endif ?>
 
-    <?define ProductVersion="1.0.10" ?>
+    <?define ProductVersion=!(bind.FileVersion.MtApi5.dll) ?>
     <?define Manufacturer="DW"?>
     <?define ProductPath="..\build\products\$(var.Configuration)\"?>
     
-	<Product Id="*" 
+  <Product Id="*" 
             Name="$(var.ProductName) $(var.ProductVersion)" 
             Language="1033" 
             Version="$(var.ProductVersion)" 
             Manufacturer="$(var.Manufacturer)" 
             UpgradeCode="d72d346e-e6f7-4c23-85c6-1c42b3175599">
-		<Package InstallerVersion="200" Compressed="yes" InstallScope="perMachine" />
+    <Package InstallerVersion="200" Compressed="yes" InstallScope="perMachine" />
+    
+    <WixVariable Id="WixUILicenseRtf" Value="..\LICENSE.rtf" />
 
-		<MajorUpgrade DowngradeErrorMessage="A newer version of [ProductName] is already installed." />
+    <MajorUpgrade DowngradeErrorMessage="A newer version of [ProductName] is already installed." />
         <MediaTemplate EmbedCab="yes" />
 
         <Feature Id="MtApi5" Title="$(var.ProductName)" Level="1">
@@ -37,7 +39,7 @@
 
         <Property Id="WIXUI_INSTALLDIR">INSTALLFOLDER</Property>
         <UIRef Id="WixUI_Mondo" />
-	</Product>
+  </Product>
 
     <Fragment>
         <Directory Id="TARGETDIR" Name="SourceDir">
@@ -78,6 +80,11 @@
                 </RegistryKey>
 
             </Component>
+          
+            <Component Id="NewtonsoftJsondll" Directory="INSTALLFOLDER">
+                <File Id="Newtonsoft.Json.dll" Name="Newtonsoft.Json.dll" KeyPath="yes"
+                    src="$(var.ProductPath)Newtonsoft.Json.dll"/>
+            </Component>
 
             <Component Id="MTApiServiceDll" Directory="INSTALLFOLDER">
                 <File Id="GAC_MTApiService.dll" Name="MTApiService.dll" KeyPath="yes"