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<H1><A NAME="_tapi2_phonesetdisplay"></A>phoneSetDisplay</H1>
<P>The <B>phoneSetDisplay</B> function causes the specified string to be displayed on the specified open phone device. </P>
<PRE class=syntax><B>LONG WINAPI phoneSetDisplay(
HPHONE</B><I> hPhone</I><B>, </B>
<B> DWORD</B><I> dwRow</I><B>, </B>
<B> DWORD</B><I> dwColumn</I><B>, </B>
<B> LPCSTR</B><I> lpsDisplay</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>dwRow</I> </DT>
<DD>The row position on the display where the new text is to be displayed. </DD>
<DT><I>dwColumn</I> </DT>
<DD>The column position on the display where the new text is to be displayed. </DD>
<DT><I>lpsDisplay</I> </DT>
<DD>A pointer to the memory location where the display content is stored. The display information must have the format specified in the <B>dwStringFormat</B> member of the phone's device capabilities. </DD>
<DT><I>dwSize</I> </DT>
<DD>The size in bytes of the information pointed to by <I>lpsDisplay</I>.
</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_OPERATIONFAILED, PHONEERR_INVALPHONESTATE, PHONEERR_UNINITIALIZED, PHONEERR_INVALPOINTER, PHONEERR_NOMEM, PHONEERR_INVALPARAM, PHONEERR_RESOURCEUNAVAIL. </P>
<H4>Remarks</H4>
<P>The specified display information is written to the phone's display, starting at the specified positions. This operation overwrites previously displayed information. If the amount of information exceeds the size of the display, the information is truncated. The amount of information that can be displayed is at most (<B>dwNumRows</B> * <B>dwNumColumns</B>) elements in size. <B>dwNumRows</B> and <B>dwNumColumns</B> are available in the <A HREF="struc2_8rua.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/struc2_8rua.htm"><B>PHONECAPS</B></A> structure, which is returned by <A HREF="func2_3l6b.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func2_3l6b.htm"><B>phoneGetDevCaps</B></A>; they are zero-based. </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_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>, <A HREF="struc2_8rua.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/struc2_8rua.htm"><B>PHONECAPS</B></A>, <A HREF="func2_3l6b.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func2_3l6b.htm"><B>phoneGetDevCaps</B></A> </P>
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