minimize/maximize a chart window in MQL5

Quoted from Forex.com.bd-Editorial External question — Stack Overflow Stack Exchange Author: emkuel5 Source score (net votes, not local likes): 0 Original post: https://stackoverflow.com/questions/64530078 License: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/ Adaptation: HTML converted to plain text; contact email addresses removed. I found a very useful 'indicator' for MT4 that lets you maximize/minimize any chart by double/triple-clicking on it. I've been trying to port it to MT5 unsuccessfully. I am not sure what I am doing wrong with the Windows API. I did change the types to ulong/uint as per MSDN. I am also using CHART_WINDOW_HANDLE to get the hwnd. The mouse clicking counter seems to work but I never managed to maximize or minimize a chart window with the below code. Any help would be greatly appreciated. //+------------------------------------------------------------------+ //| ClickMax.mq5 | //| Copyright © 2020 | 2016, MaryJane | //| https://www.mql5.com | //+------------------------------------------------------------------+ #property copyright "Copyright © 2020 | 2016, MaryJane" #property link "https://www.mql5.com" #property version "1.00" #property indicator_chart_window #property indicator_buffers 0 #property indicator_plots 0 #property strict input uint clickDelay = 300; input bool tripleClick = true; #define SW_MAXIMIZE 3 #define SW_RESTORE 9 //+------------------------------------------------------------------------------------------------------------------------------------------------------+ // --- DLLs #import "user32.dll" ulong GetParent(ulong hWnd); ulong GetWindow(ulong hWnd, uint uCmd); bool ShowWindow(ulong hWnd, int nCmdShow); bool IsZoomed(ulong hWnd); #import //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int OnInit() { if(!TerminalInfoInteger(TERMINAL_DLLS_ALLOWED)) { Alert("You have to allow DLLs for ClickMax to work"); return(INIT_FAILED); } else return(INIT_SUCCEEDED); } //+------------------------------------------------------------------+ //| Custom indicator deinitialization function | //+------------------------------------------------------------------+ void OnDeinit(const int reason) { } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int OnCalculate(const int rates_total, const int prev_calculated, const int begin, const double &price[]) { return(0); } //+------------------------------------------------------------------+ void OnChartEvent(const int id, const long &lparam, const double &dparam, const string &sparam) { static uint clicktime = GetTickCount(); static int clickcount = 0; bool doubleclick = false; if(_IsX64) { ulong hwnd = GetParent(CHART_WINDOW_HANDLE); //ulong hwnd = CHART_WINDOW_HANDLE; if(id == CHARTEVENT_CLICK) { uint test = GetTickCount() - clicktime; if(GetTickCount() - clicktime < clickDelay) clickcount++; else clickcount = 0; if((tripleClick && clickcount==2) || (!tripleClick && clickcount==1)) doubleclick = true; clicktime = GetTickCount(); if(doubleclick) { if(!IsZoomed(hwnd)) ShowWindow(hwnd, SW_MAXIMIZE); else ShowWindow(hwnd, SW_RESTORE); clickcount = 0; } } } }

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