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<blockquote data-quote="McGoober" data-source="post: 834320" data-attributes="member: 24098">One of the requirements of DLNA is to add the following XML tag to UPNP device description and service SCPD XML. [CODE]&lt;dlna:X_DLNADOC xmlns:dlna=&quot;urn:schemas-dlna-org:device-1-0&quot;&gt;DMR-1.50&lt;/dlna:X_DLNADOC&gt;[/CODE]Currently there is no way for me to insert this XML tag into either of the xml documents.In order to make my UPNP device and services I subclass both DvDevice and DvService. I was wondering if a virtual method could be put into each of these classes, such that I could override them and insert whatever into the XML.Something like this...[CODE]class DvDevice {&nbsp; &nbsp; (BLAH)&nbsp; &nbsp; internal void AddDeviceDescriptionsRecursive(XmlWriter writer, EndpointConfiguration config, CultureInfo culture)&nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; (BLAH)&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; AddAdditionalDeviceDescriptions(writer, config, culture);&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; (BLAH)&nbsp; &nbsp; }&nbsp; &nbsp; protected virtual void AddAdditionalDeviceDescriptions(XmlWriter writer, EndpointConfiguration config, CultureInfo culture)&nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; // Nothing to do here for DvDevice, but could be overriden by a subclass.&nbsp; &nbsp; }}[/CODE]I could then do the following...[CODE]class UPnPMediaServerDevice : DvDevice {&nbsp; &nbsp; &nbsp; (BLAH)&nbsp; &nbsp; &nbsp; &nbsp; protected override void AddAdditionalDeviceDescriptions(XmlWriter writer, EndpointConfiguration config, CultureInfo culture)&nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // Add DLNA specific Element.&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; writer.WriteElementString(&quot;dlna&quot;, &quot;X_DLNADOC&quot;, &quot;urn:schemas-dlna-org:device-1-0&quot;, &quot;DMR-1.50&quot;);&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; (BLAH)}[/CODE]Hope that makes sense. Any other ideas are of course welcome.</blockquote>

[QUOTE="McGoober, post: 834320, member: 24098"] One of the requirements of DLNA is to add the following XML tag to UPNP device description and service SCPD XML. [CODE]<dlna:X_DLNADOC xmlns:dlna="urn:schemas-dlna-org:device-1-0">DMR-1.50</dlna:X_DLNADOC>[/CODE] Currently there is no way for me to insert this XML tag into either of the xml documents. In order to make my UPNP device and services I subclass both DvDevice and DvService. I was wondering if a virtual method could be put into each of these classes, such that I could override them and insert whatever into the XML. Something like this... [CODE] class DvDevice { (BLAH) internal void AddDeviceDescriptionsRecursive(XmlWriter writer, EndpointConfiguration config, CultureInfo culture) { (BLAH) AddAdditionalDeviceDescriptions(writer, config, culture); (BLAH) } protected virtual void AddAdditionalDeviceDescriptions(XmlWriter writer, EndpointConfiguration config, CultureInfo culture) { // Nothing to do here for DvDevice, but could be overriden by a subclass. } } [/CODE] I could then do the following... [CODE] class UPnPMediaServerDevice : DvDevice { (BLAH) protected override void AddAdditionalDeviceDescriptions(XmlWriter writer, EndpointConfiguration config, CultureInfo culture) { // Add DLNA specific Element. writer.WriteElementString("dlna", "X_DLNADOC", "urn:schemas-dlna-org:device-1-0", "DMR-1.50"); } (BLAH) } [/CODE] Hope that makes sense. Any other ideas are of course welcome. [/QUOTE]

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