WSTrustServiceContract.ImportSchema 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.]

Imports all the required schema if not already present in the WSDL.

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


Dim exporter As WsdlExporter
Dim context As WsdlEndpointConversionContext
Dim ns As String

Me.ImportSchema(exporter, context, ns)


Protected Overridable Sub ImportSchema ( _
    exporter As WsdlExporter, _
    context As WsdlEndpointConversionContext, _
    ns As String _
protected virtual void ImportSchema (
    WsdlExporter exporter,
    WsdlEndpointConversionContext context,
    string ns
virtual void ImportSchema (
    WsdlExporter^ exporter, 
    WsdlEndpointConversionContext^ context, 
    String^ ns
protected void ImportSchema (
    WsdlExporter exporter, 
    WsdlEndpointConversionContext context, 
    String ns
protected function ImportSchema (
    exporter : WsdlExporter, 
    context : WsdlEndpointConversionContext, 
    ns : String


  • exporter
    The WsdlExporter that exports the contract information.
  • context
    Provides mappings from exported WSDL elements to the endpoint description.
  • ns
    The current WS-Trust namespace for which the schemas are imported.


Exception type Condition

exporter is null.


context is null.


ns is null or an empty string.


The namespace specified in ns is not a recognized WS-Trust namespace.


The default implementation imports the following schemas: WS-Trust Feb 2005 and WS-Trust 1.3. You can override this method in derived classes to import other schemas.

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


WSTrustServiceContract Class
WSTrustServiceContract Members
Microsoft.IdentityModel.Protocols.WSTrust Namespace

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