#property copyright "Copyright © 2004, MetaQuotes Software Corp."
#property link      "http://www.metaquotes.net/"

#include <WinUser32.mqh>

#import "user32.dll"
   int RegisterWindowMessageA(string a0);
#import

int start() {
    while (IsStopped() == FALSE) {
             RefreshRates();
   int reg = RegisterWindowMessageA("MetaTrader4_Internal_Message");
   int handle = WindowHandle(Symbol(), Period());
   PostMessageA(handle, reg, 2, 1);
   Sleep(300);
   }
   return (0);
}