在中Visual Studio .NET 2003利用DirectShow播放媒体文件(三)[1]

cplaywnddlg::cplaywnddlg(cwnd* pparent /*=null*/)

    : cdialog(cplaywnddlg::idd, pparent)

{

    m_hicon = afxgetapp()->loadicon(idr_mainframe);

    m_pgraph      = null;

    m_pmediacontrol = null;

    m_pevent      = null;

    m_pmediaseeking = null;

    m_strmediafile = "";

    m_isplaying = false;

}