XDocument.Save Method (TextWriter)
Assembly: System.Xml.Linq (in System.Xml.Linq.dll)
If you want to control serialization options, such as whether or not to remove duplicate namespace declarations or control white space in the LINQ to XML tree, use the Save overload that takes SaveOptions as a parameter. For more information, see the following topic in the full .NET Framework documentation: Preserving White Space While Serializing.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.