📄 csdn_文档中心_在中visual studio _net 2003利用directshow播放媒体文件(四).htm
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style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><o:p> </o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 2">
</SPAN><SPAN style="COLOR: blue">return</SPAN>
TRUE;<o:p></o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 1">
</SPAN>}<o:p></o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><o:p> </o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 1"> </SPAN><SPAN
style="COLOR: blue">return</SPAN> FALSE;<o:p></o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">}<o:p></o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><o:p> </o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">BOOL
CPlayWndDlg::Play(<SPAN
style="COLOR: blue">void</SPAN>)<o:p></o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">{<o:p></o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 1"> </SPAN><SPAN
style="COLOR: green">// </SPAN></SPAN></B><B
style="mso-bidi-font-weight: normal"><SPAN
style="COLOR: green; FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt">运行<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 1"> </SPAN>IVideoWindow
*pVidWin = NULL;<o:p></o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><o:p> </o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 1"> </SPAN><SPAN
style="COLOR: blue">if</SPAN>(m_pGraph)<o:p></o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 1">
</SPAN>{<o:p></o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 2">
</SPAN>m_pGraph->QueryInterface(IID_IVideoWindow, (<SPAN
style="COLOR: blue">void</SPAN>
**)&pVidWin);<o:p></o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 2">
</SPAN>pVidWin->put_Visible(OATRUE);<o:p></o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><o:p> </o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 2">
</SPAN>m_pGraph->QueryInterface(IID_IMediaControl, (<SPAN
style="COLOR: blue">void</SPAN>
**)&m_pMediaControl);<o:p></o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><o:p> </o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 2">
</SPAN>m_pMediaControl->Run();<o:p></o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><o:p> </o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 2">
</SPAN>m_isPlaying = TRUE;<o:p></o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 2">
</SPAN>GetDlgItem(IDC_PLAY_BUTTON)->EnableWindow(FALSE);<o:p></o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 2">
</SPAN>GetDlgItem(IDC_PAUSE_BUTTON)->EnableWindow(TRUE);<o:p></o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><o:p> </o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><o:p> </o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 2">
</SPAN><SPAN style="COLOR: blue">return</SPAN>
TRUE;<o:p></o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><SPAN
style="mso-tab-count: 1">
</SPAN>}<o:p></o:p></SPAN></B></P>
<P align=left class=MsoNormal
style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-FAMILY: 新宋体; FONT-SIZE: 10pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 0pt"><o:p> </o:p></SPAN></B></P>
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style="COLOR: blue">return</SPAN> FALSE;<o:p></o:p></SPAN></B></P>
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