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			80 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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| 
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| <HTML>
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| <HEAD>
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|    <TITLE>EXPORT_SPEC int UpnpSubscribeAsync</TITLE>
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|    <META NAME="GENERATOR" CONTENT="DOC++ 3.4.10">
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| </HEAD>
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| <BODY BGCOLOR="#ffffff">
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| 
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| <H2>EXPORT_SPEC int <A HREF="#DOC.DOCU">UpnpSubscribeAsync</A></H2><H2>( IN <!1><A HREF="UpnpClient_Handle.html">UpnpClient_Handle</A> Hnd,<BR>   IN const char* <!1><A HREF="Upnp_Event_Subscribe.html#DOC.1.4.2.12.3">PublisherUrl</A>,<BR>   IN int <!1><A HREF="Upnp_Event_Subscribe.html#DOC.1.4.2.12.4">TimeOut</A>,<BR>   IN Upnp_FunPtr Fun,<BR>   IN const void* Cookie )</H2><BLOCKQUOTE><B>UpnpSubscribeAsync</B> performs the same operation as <B>UpnpSubscribe</B>, but returns immediately and calls the registered callback function when the operation is complete.</BLOCKQUOTE>
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| 
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| <A NAME="DOC.DOCU"></A>
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| <HR>
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| <H2>Documentation</H2>
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| <BLOCKQUOTE><B>UpnpSubscribeAsync</B> performs the same operation as
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| <B>UpnpSubscribe</B>, but returns immediately and calls the registered
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| callback function when the operation is complete.
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| 
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| <P>Note that many of the error codes for this function are returned in
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| the <B>Upnp_Event_Subscribe</B> structure.  In those cases, the function
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| returns <TT>UPNP_E_SUCCESS</TT> and the appropriate error code will
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| be in the <B>Upnp_Event_Subscribe.ErrCode</B> field in the <B>Event</B>
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| structure passed to the callback.
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| 
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| <P></BLOCKQUOTE>
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| <DL><DT><DT><B>Parameters:</B><DD><B>Hnd</B> -   The handle of the control point that 
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| is subscribing. 
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| <BR><B></B> - <!1><A HREF="Upnp_Event_Subscribe.html#DOC.1.4.2.12.3">PublisherUrl</A>  The URL of the service to subscribe 
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| to. 
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| <BR><B></B> - <!1><A HREF="Upnp_Event_Subscribe.html#DOC.1.4.2.12.4">TimeOut</A>  The requested subscription time.  Upon 
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| return, it contains the actual 
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| subscription time returned from the 
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| service. 
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| <BR><B>Fun</B> -   Pointer to the callback function for 
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| this subscribe request. 
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| <BR><B>Cookie</B> -   A user data value passed to the 
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| callback function when invoked. <BR><DT><B>Returns:</B><DD>  [int] An integer representing one of the following:
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| <UL>
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| <LI> <TT>UPNP_E_SUCCESS</TT>: The operation completed successfully.
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| <LI> <TT>UPNP_E_INVALID_HANDLE</TT>: The handle is not a valid control 
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| point handle.
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| <LI> <TT>UPNP_E_INVALID_URL</TT>: The <B>PublisherUrl</B> is not a valid 
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| URL.
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| <LI> <TT>UPNP_E_INVALID_PARAM</TT>: Either <B>TimeOut</B> or <B>Fun</B> or 
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| <B>PublisherUrl</B> is not a valid pointer.
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| <LI> <TT>UPNP_E_OUTOF_MEMORY</TT>: Insufficient resources exist to 
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| complete this operation.
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| <LI> <TT>UPNP_E_NETWORK_ERROR</TT>: A network error occured (returned in 
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| the <B>Upnp_Event_Subscribe.ErrCode</B> field as part of the 
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| callback).
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| <LI> <TT>UPNP_E_SOCKET_WRITE</TT>: An error or timeout occurred writing 
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| to a socket (returned in the 
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| <B>Upnp_Event_Subscribe.ErrCode</B> field as part of the 
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| callback).
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| <LI> <TT>UPNP_E_SOCKET_READ</TT>: An error or timeout occurred reading 
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| from a socket (returned in the 
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| <B>Upnp_Event_Subscribe.ErrCode</B> field as part of the 
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| callback).
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| <LI> <TT>UPNP_E_SOCKET_BIND</TT>: An error occurred binding the socket 
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| (returned in the <B>Upnp_Event_Subscribe.ErrCode</B> field as 
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| part of the callback).
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| <LI> <TT>UPNP_E_SOCKET_CONNECT</TT>: An error occurred connecting to 
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| <B>PublisherUrl</B> (returned in the <B>
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| Upnp_Event_Subscribe.ErrCode</B> field as part of the callback).
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| <LI> <TT>UPNP_E_OUTOF_SOCKET</TT>: An error occurred creating  the 
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| socket (returned in the <B>Upnp_Event_Subscribe.ErrCode</B> 
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| field as part of the callback).
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| <LI> <TT>UPNP_E_BAD_RESPONSE</TT>: An error occurred in response from 
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| the publisher (returned in the <B>
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| Upnp_Event_Subscribe.ErrCode</B> field as part of the callback).
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| <LI> <TT>UPNP_E_SUBSCRIBE_UNACCEPTED</TT>: The publisher refused 
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| the subscription request (returned in the <B>
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| Upnp_Event_Subscribe.ErrCode</B> field as part of the callback).
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| </UL>
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| <BR><DD></DL><P><P><I><A HREF="index.html">Alphabetic index</A></I></P><HR>
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| <BR>
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| This page was generated with the help of <A HREF="http://docpp.sourceforge.net">DOC++</A>.
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| </BODY>
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| </HTML>
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