Writes the element extensions to the specified XmlWriter using the specific syndication version.
Assembly: System.ServiceModel (in System.ServiceModel.dll)
Element extensions are valid XML elements that are not specified in either the Atom 1.0 or RSS 2.0 specifications. You can add any valid XML element as an extension, provided its namespace is different from the enclosing namespace. This method is an extension point that allows you to handle the serialization of custom element extensions. To do this, you must derive a class from SyndicationItem and override this method. This method is called for all unrecognized element extensions.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.