/**
* MT4/experts/scripts/one_tick.mq4
* send exactly one fake tick to the chart and
* all its indicators and EA and then exit.
*/

#property copyright "© Bernd Kreuss"

#import "user32.dll"
   int PostMessageA(int hWnd, int Msg, int wParam, int lParam);
   int RegisterWindowMessageA(string lpString);
#import

int start(){
   int hwnd = WindowHandle(Symbol(), Period());
   int msg = RegisterWindowMessageA("MetaTrader4_Internal_Message");
   PostMessageA(hwnd, msg, 2, 1);
}