Refactored MTConnector with new architecure

MTConnector/MT4Handler.h

@@ -3,22 +3,28 @@
 #pragma once
 
 #include <Windows.h>
+#include <MetaTraderHandler.h>
 
-using namespace MTApiService;
-
-ref class MT4Handler: IMetaTraderHandler
+class MT4Handler: public MetaTraderHandler
 {
 public:
-    MT4Handler()
+    MT4Handler(int handle)
+        : handle_(handle)
     {
-        msgId = WM_TIMER;
+        msg_id_ = WM_TIMER;
     }
 
     virtual void SendTickToMetaTrader(int handle)
     {
-        PostMessage((HWND)handle, msgId, 0, 0);
+        PostMessage((HWND)handle, msg_id_, 0, 0);
     }
 
 private:
-    unsigned int msgId;
+    void SendTickToMetaTrader() override
+    {
+        PostMessage((HWND)handle_, msg_id_, 0, 0);
+    }
+
+    int handle_;
+    unsigned int msg_id_;
 };