void Move()
{
	srand((unsigned)time(NULL));
	HWND hWnd = ::AfxGetMainWnd()->GetSafeHwnd();
	RECT rcOld, rcNew;
	::GetWindowRect(hWnd, &rcOld);
	::memcpy(&rcNew, &rcOld, sizeof(RECT));
	int iWidth = rcOld.right-rcOld.left;
	int iHeight = rcOld.bottom-rcOld.top;
	int x = 0, y = 0;
	for (int i =0; i<80; i++)
	{
		x = rand()%60-30;
		y = rand()%60-30;
		::MoveWindow(hWnd, rcNew.left+x, rcNew.top+y, iWidth, iHeight, TRUE);
	}
	::MoveWindow(hWnd, rcOld.left, rcOld.top, iWidth, iHeight, TRUE);
}