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

MTConnector/MT4Handler.h

@@ -9,16 +9,18 @@ using namespace MTApiService;
 ref class MT4Handler: IMetaTraderHandler
 {
 public:
-	MT4Handler()
+    MT4Handler()
-	{
+    {
-		msgId = RegisterWindowMessage("MetaTrader4_Internal_Message");
+        //msgId = RegisterWindowMessage("MetaTrader4_Internal_Message");
-	}
+        msgId = WM_TIMER;
+    }
 
-	virtual void SendTickToMetaTrader(int handle)
+    virtual void SendTickToMetaTrader(int handle)
-	{
+    {
-		PostMessage((HWND)handle, msgId, 2, 1);
+        //PostMessage((HWND)handle, msgId, 2, 1);
-	}
+        PostMessage((HWND)handle, msgId, 0, 0);
+    }
 
 private:
-	unsigned int msgId;
+    unsigned int msgId;
 };

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);