将视频演示作为应用程序的打开封面

MCIWNDF_NOMENU,
filename);
//使视频窗口在屏幕上居中显示：
RECT rect;
int sx,sy;
::GetWindowRect(m_VideoWnd,&rect);
sx=(::GetSystemMetrics(SM_CXSCREEN)
-rect.right+rect.left)/2;
sy=(::GetSystemMetrics(SM_CYSCREEN)
-rect.bottom+rect.top)/2;
::SetWindowPos(m_VideoWnd,HWND_TOPMOST,sx,
sy,0,0,SWP_SHOWWINDOW(北联网教程,专业提供视频软件下载)

……