How to Disable/Enable Auto/Algo-Trading in both MT5 and MT4. – script MetaTrader 4
by
MT4:Â
//--- importing required dll files#include <WinUser32.mqh>
#import "user32.dll"int GetAncestor(int, int);
#define MT4_WMCMD_EXPERTSÂ Â 33020#import
//+------------------------------------------------------------------+//|Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â |//+------------------------------------------------------------------+void SetAlgoTradingTo(bool trueFalse) {
    //--- getting the current status
    bool currentStatus = IsTradeAllowed();
    //--- if the current status is equal to input trueFalse then, no need to toggle auto-trading
    if(currentStatus != trueFalse) {
        //--- Toggle Auto-Trading
        int main = GetAncestor(WindowHandle(Symbol(), Period()), 2/*GA_ROOT*/);
        PostMessageA(main, WM_COMMAND,  MT4_WMCMD_EXPERTS, 0 );//Toggle Expert Advisor button
    }
}
MT5:Â
//--- importing required dll files#define MT_WMCMD_EXPERTSÂ Â 32851#define WM_COMMAND 0x0111#define GA_ROOTÂ Â Â Â 2#include <WinAPIwinapi.mqh>
//+------------------------------------------------------------------+//| Toggle auto-trading button                                      |//+------------------------------------------------------------------+void AlgoTradingStatus(bool newStatus_True_Or_False) {
    //--- getting the current status
    bool currentStatus = (bool) TerminalInfoInteger(TERMINAL_TRADE_ALLOWED);
    //--- if the current status is equal to input trueFalse then, no need to toggle auto-trading
    if(trueFalse != newStatus_True_Or_False) {
        //--- Toggle Auto-Trading
        HANDLE hChart = (HANDLE) ChartGetInteger(ChartID(), CHART_WINDOW_HANDLE);
        PostMessageW(GetAncestor(hChart, GA_ROOT), WM_COMMAND, MT_WMCMD_EXPERTS, 0);
    }
}
//+------------------------------------------------------------------+
