Changed algorithm to execute commands in mql expert: used function OnTimer instead OnTick

MTConnector/MT4Handler.h

@@ -11,12 +11,14 @@ ref class MT4Handler: IMetaTraderHandler
 public:
     MT4Handler()
     {
-		msgId = RegisterWindowMessage("MetaTrader4_Internal_Message");
+        //msgId = RegisterWindowMessage("MetaTrader4_Internal_Message");
+        msgId = WM_TIMER;
     }
 
     virtual void SendTickToMetaTrader(int handle)
     {
-		PostMessage((HWND)handle, msgId, 2, 1);
+        //PostMessage((HWND)handle, msgId, 2, 1);
+        PostMessage((HWND)handle, msgId, 0, 0);
     }
 
 private:

TestClients/TestApiClientUI/Form1.cs

@@ -34,7 +34,7 @@ namespace TestApiClientUI
             comboBox2.SelectedIndex = 0;
 
             _timerTradeMonitor = new TimerTradeMonitor(_apiClient);
-            _timerTradeMonitor.Interval = 1000; // 1 sec
+            _timerTradeMonitor.Interval = 10000; // 10 sec
             _timerTradeMonitor.AvailabilityOrdersChanged += _tradeMonitor_AvailabilityOrdersChanged;
 
             _timeframeTradeMonitor = new TimeframeTradeMonitor(_apiClient);