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XamlXmlWriter.WriteNamespace Method

Writes namespace information to the underlying XmlWriter or TextWriter. May throw an exception for certain states; however, may instead defer writing the namespace information until the writer and the XAML node stream that is being processed reaches a position where a XAML namespace declaration can be inserted.

Namespace:  System.Xaml
Assembly:  System.Xaml (in System.Xaml.dll)

public override void WriteNamespace(
	NamespaceDeclaration namespaceDeclaration


Type: System.Xaml.NamespaceDeclaration
The XAML namespace declaration to write.


namespaceDeclaration is null.


namespaceDeclaration is not a valid XAML namespace declaration (has a null prefix or null identifier component).


The current writer state does not support writing a XAML namespace declaration.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

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.