在中Visual Studio .NET 2003利用DirectShow播放媒体文件(四)[1]

// idc_vw_frame控件picture control主要作用是控制vedio window的显示位置

void cplaywnddlg::movevideowindow(void)

{

    ivideowindow* pvideowinow = null;

    if(m_pgraph)

    {

       m_pgraph->queryinterface(iid_ivideowindow, (void **)&pvideowinow);

       crect rc;

       getdlgitem(idc_vw_frame)->getwindowrect(rc);

       screentoclient(rc);