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<H1><A NAME="_tapi2_linemediacontrolmedia_str"></A>LINEMEDIACONTROLMEDIA</H1>
<P>The <B>LINEMEDIACONTROLMEDIA</B> structure describes a media action to be executed when detecting a media type change. It is used as an entry in an array. The <A HREF="func2_4bzg.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func2_4bzg.htm"><B>lineSetMediaControl</B></A> and <A HREF="javascript:if(confirm('http://msdn.microsoft.com/library/psdk/tspi21/func2_4h7w.htm \n\n這個(gè)文件不能通過(guò) Teleport Pro 取回, 因?yàn)?地址在一個(gè)域或?yàn)樗拈_(kāi)始地址設(shè)定的邊界的外部路徑上. \n\n你想從服務(wù)器打開(kāi)它嗎?'))window.location='http://msdn.microsoft.com/library/psdk/tspi21/func2_4h7w.htm'" tppabs="http://msdn.microsoft.com/library/psdk/tspi21/func2_4h7w.htm"><B>TSPI_lineSetMediaControl</B></A> functions use this structure.</P>
<PRE class=syntax>typedef struct linemediacontrolmedia_tag {
DWORD dwMediaModes;
DWORD dwDuration;
DWORD dwMediaControl;
} LINEMEDIACONTROLMEDIA, FAR *LPLINEMEDIACONTROLMEDIA; </PRE>
<H4>Members</H4>
<DL>
<DT><B>dwMediaModes</B> </DT>
<DD>One or more media types. This member uses one of the <A HREF="constnts_0x6b.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/constnts_0x6b.htm">LINEMEDIAMODE_ Constants</A>. </DD>
<DT><B>dwDuration</B> </DT>
<DD>The duration, in milliseconds, during which the media type should be present before the application should be notified or media control action should be taken. </DD>
<DT><B>dwMediaControl</B> </DT>
<DD>The media control action. This member uses one of the <A HREF="constnts_984z.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/constnts_984z.htm">LINEMEDIACONTROL_ Constants</A>.
</DD>
</DL>
<H4>Remarks</H4>
<P>This structure may not be extended.</P>
<P>The <B>LINEMEDIACONTROLMEDIA</B> structure defines a triple <media type(s), duration, media-control action>. An array of these triples is passed to the <A HREF="func2_4bzg.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func2_4bzg.htm"><B>lineSetMediaControl</B></A> function to set the media control actions triggered by media type changes for a given call. When a change to a listed media type is detected, then the corresponding action on the media stream is invoked. </P>
<H4><A HREF="javascript:if(confirm('http://msdn.microsoft.com/library/psdk/sdkintro/guide_927n.htm \n\n這個(gè)文件不能通過(guò) Teleport Pro 取回, 因?yàn)?地址在一個(gè)域或?yàn)樗拈_(kāi)始地址設(shè)定的邊界的外部路徑上. \n\n你想從服務(wù)器打開(kāi)它嗎?'))window.location='http://msdn.microsoft.com/library/psdk/sdkintro/guide_927n.htm'" tppabs="http://msdn.microsoft.com/library/psdk/sdkintro/guide_927n.htm">Requirements</A> </H4>
<P><B> Windows NT/2000: </B>Requires Windows NT 4.0 SP3 or later.<BR>
<B> Windows 95/98: </B>Requires Windows 95 or later.<BR>
<B> Version: </B>Requires TAPI 1.4 or later.<BR>
<B> Header: </B>Declared in Tapi.h.</P>
<H4>See Also</H4>
<P><A HREF="func2_4bzg.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func2_4bzg.htm"><B>lineSetMediaControl</B></A>, <A HREF="javascript:if(confirm('http://msdn.microsoft.com/library/psdk/tspi21/func2_4h7w.htm \n\n這個(gè)文件不能通過(guò) Teleport Pro 取回, 因?yàn)?地址在一個(gè)域或?yàn)樗拈_(kāi)始地址設(shè)定的邊界的外部路徑上. \n\n你想從服務(wù)器打開(kāi)它嗎?'))window.location='http://msdn.microsoft.com/library/psdk/tspi21/func2_4h7w.htm'" tppabs="http://msdn.microsoft.com/library/psdk/tspi21/func2_4h7w.htm"><B>TSPI_lineSetMediaControl</B></A></P>
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