Issue #284: MtApi5/MQL5 - added function GetSymbols

MtApi5/MtApi5Client.cs

@@ -2,6 +2,7 @@
 using MtClient;
 using MtApi5.MtProtocol;
 using MtApi5.MtProtocol.ICustomRequest;
+using System.Data;
 
 namespace MtApi5
 {
@@ -188,6 +189,15 @@ namespace MtApi5
             }
         }
 
+        ///<summary>
+        ///Load symbols
+        ///</summary>
+        public List<string>? GetSymbols(bool selected)
+        {
+            Dictionary<string, object> cmdParams = new() { { "Selected", selected } };
+            return SendCommand<List<string>>(ExecutorHandle, Mt5CommandType.GetSymbols, cmdParams);
+        }
+
         ///<summary>
         ///Checks if the Expert Advisor runs in the testing mode..
         ///</summary>

MtApi5/MtProtocol/Mt5CommandType.cs

@@ -259,6 +259,7 @@ namespace MtApi5.MtProtocol
         OrderSendAsync = 302,
         OrderCheck = 303,
         Buy = 304,
-        Sell = 305
+        Sell = 305,
+        GetSymbols = 306
     }
 }

TestClients/MtApi5TestClient/MainWindow.xaml

@@ -473,22 +473,34 @@
                 </TabItem>
 
                 <TabItem Header="Market Info">
-                    <WrapPanel VerticalAlignment="Top" Margin="5">
+                    <Grid>
-                        <Button Command="{Binding SymbolsTotalCommand}" Content="SymbolsTotal" Margin="2"/>
+                        <Grid.RowDefinitions>
-                        <Button Command="{Binding SymbolNameCommand}" Content="SymbolName" Margin="2"/>
+                            <RowDefinition Height="Auto"/>
-                        <Button Command="{Binding SymbolSelectCommand}" Content="SymbolSelect" Margin="2"/>
+                            <RowDefinition Height="Auto"/>
-                        <Button Command="{Binding SymbolIsSynchronizedCommand}" Content="SymbolIsSynchronized" Margin="2"/>
+                            <RowDefinition Height="*"/>
-                        <Button Command="{Binding SymbolInfoDoubleCommand}" Content="SymbolInfoDouble" Margin="2"/>
+                        </Grid.RowDefinitions>
-                        <Button Command="{Binding SymbolInfoIntegerCommand}" Content="SymbolInfoInteger" Margin="2"/>
+                        <WrapPanel Grid.Row="0" VerticalAlignment="Top" Margin="5">
-                        <Button Command="{Binding SymbolInfoStringCommand}" Content="SymbolInfoString" Margin="2"/>
+                            <Button Command="{Binding SymbolsTotalCommand}" Content="SymbolsTotal" Margin="2"/>
-                        <Button Command="{Binding SymbolInfoString2Command}" Content="SymbolInfoString-2" Margin="2"/>
+                            <Button Command="{Binding SymbolNameCommand}" Content="SymbolName" Margin="2"/>
-                        <Button Command="{Binding SymbolInfoTickCommand}" Content="SymbolInfoTick" Margin="2"/>
+                            <Button Command="{Binding SymbolSelectCommand}" Content="SymbolSelect" Margin="2"/>
-                        <Button Command="{Binding SymbolInfoSessionQuoteCommand}" Content="SymbolInfoSessionQuote" Margin="2"/>
+                            <Button Command="{Binding SymbolIsSynchronizedCommand}" Content="SymbolIsSynchronized" Margin="2"/>
-                        <Button Command="{Binding SymbolInfoSessionTradeCommand}" Content="SymbolInfoSessionTrade" Margin="2"/>
+                            <Button Command="{Binding SymbolInfoDoubleCommand}" Content="SymbolInfoDouble" Margin="2"/>
-                        <Button Command="{Binding MarketBookAddCommand}" Content="MarketBookAdd" Margin="2"/>
+                            <Button Command="{Binding SymbolInfoIntegerCommand}" Content="SymbolInfoInteger" Margin="2"/>
-                        <Button Command="{Binding MarketBookReleaseCommand}" Content="MarketBookRelease" Margin="2"/>
+                            <Button Command="{Binding SymbolInfoStringCommand}" Content="SymbolInfoString" Margin="2"/>
-                        <Button Command="{Binding MarketBookGetCommand}" Content="MarketBookGet" Margin="2"/>
+                            <Button Command="{Binding SymbolInfoString2Command}" Content="SymbolInfoString-2" Margin="2"/>
-                    </WrapPanel>
+                            <Button Command="{Binding SymbolInfoTickCommand}" Content="SymbolInfoTick" Margin="2"/>
+                            <Button Command="{Binding SymbolInfoSessionQuoteCommand}" Content="SymbolInfoSessionQuote" Margin="2"/>
+                            <Button Command="{Binding SymbolInfoSessionTradeCommand}" Content="SymbolInfoSessionTrade" Margin="2"/>
+                            <Button Command="{Binding MarketBookAddCommand}" Content="MarketBookAdd" Margin="2"/>
+                            <Button Command="{Binding MarketBookReleaseCommand}" Content="MarketBookRelease" Margin="2"/>
+                            <Button Command="{Binding MarketBookGetCommand}" Content="MarketBookGet" Margin="2"/>
+                        </WrapPanel>
+                        <StackPanel Grid.Row="1" Orientation="Horizontal">
+                                <Button Content="GetSymbols" Command="{Binding GetSymbolsCommand}" Width="100" Margin="2"/>
+                                <CheckBox Content="Selected" IsChecked="{Binding GetSymbolsSelected}" Margin="5" />
+                            </StackPanel>
+                        <ListBox Grid.Row="2" ItemsSource="{Binding Symbols}" Height="Auto" Width="200" HorizontalAlignment="Left"/>
+                    </Grid>
                 </TabItem>
 
                 <TabItem Header="CTrade (Positions)">

TestClients/MtApi5TestClient/ViewModel.cs

@@ -160,6 +160,8 @@ namespace MtApi5TestClient
         public DelegateCommand GlobalVariablesTotalCommand { get; private set; }
 
         public DelegateCommand UnlockTicksCommand { get; private set; }
+
+        public DelegateCommand GetSymbolsCommand { get; private set; }
         #endregion
 
         #region Properties
@@ -314,6 +316,19 @@ namespace MtApi5TestClient
                 OnPropertyChanged("PositionTicketValue");
             }
         }
+
+        public bool GetSymbolsSelected { get; set; } = false;
+
+        private List<string> _symbols;
+        public List<string> Symbols
+        {
+            get { return _symbols; }
+            set
+            {
+                _symbols = value;
+                OnPropertyChanged("Symbols");
+            }
+        }
         #endregion
 
         #region Public Methods
@@ -475,6 +490,8 @@ namespace MtApi5TestClient
             GlobalVariablesTotalCommand = new DelegateCommand(ExecuteGlobalVariablesTotal);
 
             UnlockTicksCommand = new DelegateCommand(ExecuteUnlockTicks);
+
+            GetSymbolsCommand = new DelegateCommand(ExecuteGetSymbols);
         }
 
         private bool CanExecuteConnect(object o)
@@ -1726,6 +1743,19 @@ namespace MtApi5TestClient
             _mtApiClient.UnlockTicks();
         }
 
+        private async void ExecuteGetSymbols(object o)
+        {
+            var result = await Execute(() => _mtApiClient.GetSymbols(GetSymbolsSelected));
+            if (result == null)
+                return;
+
+            AddLog($"ChartScreenShot: {result.Count} count of symbols");
+            RunOnUiThread(() =>
+            {
+                Symbols = result;
+            });
+        }
+
         private static void RunOnUiThread(Action action)
         {
             Application.Current?.Dispatcher.Invoke(action);

mq5/MtApi5.mq5

@@ -1,7 +1,7 @@
 #property copyright "Vyacheslav Demidyuk"
 #property link      ""
 
-#property version   "2.0"
+#property version   "2.1"
 #property description "MtApi (MT5) connection expert"
 
 #include <json.mqh>
@@ -380,6 +380,7 @@ int preinit()
    ADD_EXECUTOR(303, OrderCheck);
    ADD_EXECUTOR(304, Buy);
    ADD_EXECUTOR(305, Sell);
+   ADD_EXECUTOR(306, GetSymbols);
    
    return (0);
 }
@@ -3450,6 +3451,28 @@ string Execute_Sell()
    return CreateSuccessResponse(result_value_jo); 
 }
 
+string Execute_GetSymbols()
+{
+   GET_JSON_PAYLOAD(jo);
+   GET_BOOL_JSON_VALUE(jo, "Selected", selected);
+   
+   const int symbolsCount = SymbolsTotal(selected);
+   JSONArray* jaSymbols = new JSONArray();
+   int idx = 0;
+   for(int idxSymbol = 0; idxSymbol < symbolsCount; idxSymbol++)
+   {      
+      string symbol = SymbolName(idxSymbol, selected);
+      string firstChar = StringSubstr(symbol, 0, 1);
+      if(firstChar != "#" && StringLen(symbol) == 6)
+      {        
+         jaSymbols.put(idx, new JSONString(symbol));
+         idx++;
+      } 
+   }
+   
+   return CreateSuccessResponse(jaSymbols);
+}
+
 int PositionCloseAll()
 {
    CTrade trade;