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| function ForceForegroundWindow(hwnd: THandle): Boolean; const SPI_GETFOREGROUNDLOCKTIMEOUT = $2000; SPI_SETFOREGROUNDLOCKTIMEOUT = $2001; var ForegroundThreadID: DWORD; ThisThreadID: DWORD; timeout: DWORD; begin if IsIconic(hwnd) then ShowWindow(hwnd, SW_RESTORE);
if GetForegroundWindow = hwnd then Result := True else begin if ((Win32Platform = VER_PLATFORM_WIN32_NT) and (Win32MajorVersion > 4)) or ((Win32Platform = VER_PLATFORM_WIN32_WINDOWS) and ((Win32MajorVersion > 4) or ((Win32MajorVersion = 4) and (Win32MinorVersion > 0)))) then begin Result := False; ForegroundThreadID := GetWindowThreadProcessID(GetForegroundWindow, nil); ThisThreadID := GetWindowThreadPRocessId(hwnd, nil); if AttachThreadInput(ThisThreadID, ForegroundThreadID, True) then begin BringWindowToTop(hwnd); SetForegroundWindow(hwnd); AttachThreadInput(ThisThreadID, ForegroundThreadID, False); Result := (GetForegroundWindow = hwnd); end; if not Result then begin SystemParametersInfo(SPI_GETFOREGROUNDLOCKTIMEOUT, 0, @timeout, 0); SystemParametersInfo(SPI_SETFOREGROUNDLOCKTIMEOUT, 0, TObject(0), SPIF_SENDCHANGE); BringWindowToTop(hwnd); SetForegroundWindow(hWnd); SystemParametersInfo(SPI_SETFOREGROUNDLOCKTIMEOUT, 0, TObject(timeout), SPIF_SENDCHANGE); end; end else begin BringWindowToTop(hwnd); SetForegroundWindow(hwnd); end;
Result := (GetForegroundWindow = hwnd); end; end; |