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<H1><A NAME="_tapi2_linesetcallprivilege"></A>lineSetCallPrivilege</H1>
<P>The <B>lineSetCallPrivilege</B> function sets the application's privilege to the specified privilege. </P>
<PRE class=syntax><B>LONG WINAPI lineSetCallPrivilege(
HCALL</B><I> hCall</I><B>, </B>
<B> DWORD</B><I> dwCallPrivilege </I>
<B>);</B></PRE>
<H4>Parameters</H4>
<DL>
<DT><I>hCall</I> </DT>
<DD>A handle to the call whose privilege is to be set. The call state of <I>hCall</I> can be any state. </DD>
<DT><I>dwCallPrivilege</I> </DT>
<DD>The privilege the application can have for the specified call. This parameter uses one and only one of the <A HREF="constnts_4777.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/constnts_4777.htm">LINECALLPRIVILEGE_ Constants</A>.
</DD>
</DL>
<H4>Return Values</H4>
<P>Returns zero if the request succeeds or a negative error number if an error occurs. Possible return values are: </P>
<P>LINEERR_INVALCALLHANDLE, LINEERR_OPERATIONFAILED, LINEERR_INVALCALLSTATE, LINEERR_RESOURCEUNAVAIL, LINEERR_INVALCALLPRIVILEGE, LINEERR_UNINITIALIZED, LINEERR_NOMEM.</P>
<H4>Remarks</H4>
<P>If the application is the sole owner of a non-idle call and can change its privilege to monitor, a LINEERR_INVALCALLSTATE error is returned. The application can also first drop the call using <A HREF="func1_1i5s.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func1_1i5s.htm"><B>lineDrop</B></A> to make the call transition to the <I>idle</I> state and then change its privilege. </P>
<H4><A HREF="javascript:if(confirm('http://msdn.microsoft.com/library/psdk/sdkintro/guide_927n.htm \n\n这个文件不能通过 Teleport Pro 取回, 因为 地址在一个域或为它的开始地址设定的边界的外部路径上. \n\n你想从服务器打开它吗?'))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 1.3 or later.<BR>
<B> Header: </B>Declared in Tapi.h.<BR>
<B> Library: </B>Use Tapi32.lib.</P>
<H4>See Also</H4>
<P><A HREF="quickref_1okl.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/quickref_1okl.htm">TAPI 2.2 Reference Overview</A>, <A HREF="quickref_1pnp.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/quickref_1pnp.htm">Basic Telephony Services Reference</A>, <A HREF="func1_1i5s.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func1_1i5s.htm"><B>lineDrop</B></A></P>
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