DelegatingXmlDictionaryReader.LookupNamespace Method

[Starting with the .NET Framework 4.5, Windows Identity Foundation (WIF) has been fully integrated into the .NET Framework. The version of WIF addressed by this topic, WIF 3.5, is deprecated and should only be used when developing against the .NET Framework 3.5 SP1 or the .NET Framework 4. For more information about WIF in the .NET Framework 4.5, also known as WIF 4.5, see the Windows Identity Foundation documentation in the .NET Framework 4.5 Development Guide.]

Resolves a namespace prefix in the current element scope.

Namespace: Microsoft.IdentityModel.Protocols.XmlSignature
Assembly: Microsoft.IdentityModel (in Microsoft.IdentityModel.dll)


Dim instance As DelegatingXmlDictionaryReader
Dim prefix As String
Dim returnValue As String

returnValue = instance.LookupNamespace(prefix)


Public Overrides Function LookupNamespace ( _
    prefix As String _
) As String
public override string LookupNamespace (
    string prefix
virtual String^ LookupNamespace (
    String^ prefix
) override
public String LookupNamespace (
    String prefix
public override function LookupNamespace (
    prefix : String
) : String


  • prefix
    Prefix whose namespace Uri to be resolved.

Return Value

The namespace Uri to which the prefix matches or null if no matching prefix is found.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.


Target Platforms

Windows 7, Windows Server 2008 R2, Windows Vista SP2, Windows Server 2008 SP2, Windows Server 2003 SP2 (32-bit or 64-bit)

See Also


DelegatingXmlDictionaryReader Class
DelegatingXmlDictionaryReader Members
Microsoft.IdentityModel.Protocols.XmlSignature Namespace

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