void KeyPress(int key, char* pWndName)
{
    HWND hWnd = ::FindWindow(NULL, pWndName);
    if (hWnd)
    {
        ::SetForegroundWindow(hWnd);
        ::SendMessage(hWnd, WM_KEYDOWN, key, 0);
        ::SendMessage(hWnd, WM_KEYUP, key, 0);
    }
    else
        MessageBox(NULL, "Window not found", NULL, NULL);
}