Scripts: Programmatic modification of Tester "From:" and "To:" fields with user32.dll
i think better way to use WriteProcessMemory via Virtual memory.... checked this out:
//+------------------------------------------------------------------+ //| SetDate.mq4 | //| Version: 2.0 | //+------------------------------------------------------------------+ #property copyright "Copyright (c) 2011, Symr" #import "user32.dll" int GetAncestor(int hWnd, int gaFlags); int GetDlgItem(int hDlg, int nIDDlgItem); int GetWindow(int hWnd, int uCmd); int GetClassNameA(int hWnd, string lpClassname, int nMaxCount); int GetWindowThreadProcessId(int hWnd, int& dwProcessId[]); int SendMessageA(int hWnd, int Msg, int wParam, int lParam); #import #import "kernel32.dll" int OpenProcess(int dwDesiredAccess, bool bInheritHandle, int dwProcessId); int VirtualAllocEx(int hProcess, int& addr, int size, int dwType, int dwProtect); bool VirtualFreeEx(int hProcess, int& addr, int size, int dwType); bool WriteProcessMemory(int hProcess, int addr, int buffer[], int size, int& bytes[]); void GetSystemTime(int& TimeArray[]); #import //+------------------------------------------------------------------+ #define GW_HWNDNEXT 2 #define GW_CHILD 5 #define ID_TERMINAL 0xE81E #define ID_TESTER 0x53 #define ID_PANEL 0x81BF #define PROCESS_ALL_ACCESS 0x1F0FFF #define MEM_COMMIT 0x1000 #define MEM_RELEASE 0x8000 #define PAGE_READWRITE 4 #define DTM_FIRST 0x1000 #define DTM_SETSYSTEMTIME 0x1002 #define GDT_VALID 0 //+------------------------------------------------------------------+ #property show_inputs #property show_confirm extern string from_date = "2003.08.11"; extern string to_date = "2012.05.05"; void start() { ChangeDates(0,from_date); ChangeDates(1,to_date); return (0); } //+------------------------------------------------------------------+ int FindControlByID(int hParentWnd, string className, int id) { if (id < 0 || hParentWnd <=0) return; int cnt = 0; int child = GetWindow(hParentWnd,GW_CHILD); while (child != 0) { child = GetWindow(child,GW_HWNDNEXT); string name = " "; int res = GetClassNameA(child,name,50); if (name == className || className == "") if (cnt == id) break; else cnt++; } return (child); } //+------------------------------------------------------------------+ void SetControlDateTime(int hWnd, datetime time) { int hProcessId[1]; if (GetWindowThreadProcessId(hWnd, hProcessId) == 0) return; int hProcess = OpenProcess(PROCESS_ALL_ACCESS, False, hProcessId[0]); int addr = 0; int p = VirtualAllocEx(hProcess, addr, 2710, MEM_COMMIT, PAGE_READWRITE); int TimeArray[4]; GetSystemTime(TimeArray); int bytes[1]; TimeArray[0] = TimeYear(time) + (TimeMonth(time) * 0x10000); TimeArray[1] = TimeDay(time) * 0x10000; WriteProcessMemory(hProcess, p, TimeArray, 16, bytes); SendMessageA(hWnd, DTM_SETSYSTEMTIME, GDT_VALID, p); VirtualFreeEx(hProcess, p, 0, MEM_RELEASE); } //+------------------------------------------------------------------+ void ChangeDates (int fieldID, string date) { int hMetaTrader = GetAncestor(WindowHandle(Symbol(),Period()),2); int hTerminal = GetDlgItem(hMetaTrader, ID_TERMINAL); int hTester = GetDlgItem(hTerminal, ID_TESTER); int hInner = GetDlgItem(hTester, ID_PANEL); int hDtp = FindControlByID(hInner, "SysDateTimePick32", fieldID); if (hDtp > 0) SetControlDateTime(hDtp, StrToTime(date)); return(0); } //+------------------------------------------------------------------+
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Programmatic modification of Tester "From:" and "To:" fields with user32.dll:
Author: Mike