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IExtensibleObject(T) Interface
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IExtensibleObject<T> Interface

Enable an object to participate in custom behavior, such as registering for events, or watching state transitions.

Namespace:  System.ServiceModel
Assemblies:   System.ServiceModel (in System.ServiceModel.dll)
  System.ServiceModel.Primitives (in System.ServiceModel.Primitives.dll)

public interface IExtensibleObject<T>
where T : Object, IExtensibleObject<T>

Type Parameters

T

The type of the extension class.

The IExtensibleObject<T> type exposes the following members.

  NameDescription
Public propertySupported by Portable Class LibraryExtensionsGets a collection of extension objects for this extensible object.
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Implement IExtensibleObject<T> to enable aggregation of extensions.

For example, if you are implementing a TreeNode class and want to allow external code to add annotations and methods to some instances of TreeNode, you can have TreeNode implement IExtensibleObject<TreeNode>. This enables code that uses TreeNode to add objects that implement IExtensibleObject<TreeNode> to the Extensions collection.

There are four extensible objects in Windows Communication Foundation (WCF):

For a discussion about how to create extension to work with these objects, see Extensible Objects.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Portable Class Library

Supported in: Portable Class Library
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