CWnd* pWnd = CWnd::GetDesktopWindow();
pWnd->Invalidate();HWND hWnd = ::GetDesktopWindow();
Sendmessage(hWnd,wm_plaint,0,0);都不行,为什么?
pWnd->Invalidate();HWND hWnd = ::GetDesktopWindow();
Sendmessage(hWnd,wm_plaint,0,0);都不行,为什么?
pWnd->Invalidate();
pWnd->UpdateWindow()
pWnd->Invalidate();
pWnd->ReWindow();