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<H1><A NAME="_tapi2_phonesetdata"></A>phoneSetData</H1>

<P>The <B>phoneSetData</B> function downloads the information in the specified buffer to the opened phone device at the selected data identifier. </P>

<PRE class=syntax><B>LONG WINAPI phoneSetData(
  HPHONE</B><I> hPhone</I><B>,        </B>
<B>  DWORD</B><I> dwDataID</I><B>,       </B>
<B>  LPVOID const</B><I> lpData</I><B>,  </B>
<B>  DWORD</B><I> dwSize          </I>
<B>);</B></PRE>

<H4>Parameters</H4>

<DL>
<DT><I>hPhone</I> </DT>

<DD>A handle to the open phone device. The application must be the owner of the phone. </DD>

<DT><I>dwDataID</I> </DT>

<DD>Where in the phone device the buffer is to be downloaded. </DD>

<DT><I>lpData</I> </DT>

<DD>A pointer to the memory location where the data is to be downloaded from. </DD>

<DT><I>dwSize</I> </DT>

<DD>The size of the buffer, in bytes. 
</DD>
</DL>

<H4>Return Values</H4>

<P>Returns a positive request identifier if the function is completed asynchronously or a negative error number if an error occurs. The <I>dwParam2</I> parameter of the corresponding <A HREF="msgs_0ut5.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/msgs_0ut5.htm">PHONE_REPLY</A> message is zero if the function succeeds or it is a negative error number if an error occurs. Possible return values are: </P>

<P>PHONEERR_INVALPHONEHANDLE, PHONEERR_OPERATIONUNAVAIL, PHONEERR_NOTOWNER, PHONEERR_NOMEM, PHONEERR_INVALDATAID, PHONEERR_RESOURCEUNAVAIL, PHONEERR_INVALPHONESTATE, PHONEERR_OPERATIONFAILED, PHONEERR_INVALPOINTER, PHONEERR_UNINITIALIZED.</P>

<H4>Remarks</H4>

<P>The <B>phoneSetData</B> function downloads a maximum of <I>dwSize</I> bytes from <I>lpData</I> to the phone device. The format of the data, its meaning to the phone device, and the meaning of the data identifier are service provider-specific. The data in the buffer or the selection of a data identifier may act as commands to the phone device. </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>&nbsp;&nbsp;Windows NT/2000: </B>Requires Windows NT 4.0 SP3 or later.<BR>
<B>&nbsp;&nbsp;Windows 95/98: </B>Requires Windows 95 or later.<BR>
<B>&nbsp;&nbsp;Version: </B>Requires TAPI 1.3 or later.<BR>
<B>&nbsp;&nbsp;Header: </B>Declared in Tapi.h.<BR>
<B>&nbsp;&nbsp;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_4rub.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/quickref_4rub.htm">Supplementary Phone Service Functions</A>, <A HREF="msgs_0ut5.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/msgs_0ut5.htm">PHONE_REPLY</A></P>
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