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DelegatingHandler Class

.NET Framework 4.5

A type for HTTP handlers that delegate the processing of HTTP response messages to another handler, called the inner handler.

Namespace:  System.Net.Http
Assembly:  System.Net.Http (in System.Net.Http.dll)
public abstract class DelegatingHandler : HttpMessageHandler

The DelegatingHandler type exposes the following members.

  NameDescription
Protected methodSupported in .NET for Windows Store appsDelegatingHandler()Creates a new instance of the DelegatingHandler class.
Protected methodSupported in .NET for Windows Store appsDelegatingHandler(HttpMessageHandler)Creates a new instance of the DelegatingHandler class with a specific inner handler.
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  NameDescription
Public propertySupported in .NET for Windows Store appsInnerHandlerGets or sets the inner handler which processes the HTTP response messages.
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  NameDescription
Public methodSupported in .NET for Windows Store appsDispose()Releases the unmanaged resources and disposes of the managed resources used by the HttpMessageHandler. (Inherited from HttpMessageHandler.)
Protected methodSupported in .NET for Windows Store appsDispose(Boolean)Releases the unmanaged resources used by the DelegatingHandler, and optionally disposes of the managed resources. (Overrides HttpMessageHandler.Dispose(Boolean).)
Public methodSupported in .NET for Windows Store appsEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Protected methodSupported in .NET for Windows Store appsFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodSupported in .NET for Windows Store appsGetHashCodeServes as the default hash function. (Inherited from Object.)
Public methodSupported in .NET for Windows Store appsGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodSupported in .NET for Windows Store appsMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Protected methodSupported in .NET for Windows Store appsSendAsyncSends an HTTP request to the inner handler to send to the server as an asynchronous operation. (Overrides HttpMessageHandler.SendAsync(HttpRequestMessage, CancellationToken).)
Public methodSupported in .NET for Windows Store appsToStringReturns a string that represents the current object. (Inherited from Object.)
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This application normally instantiate this class and then set the inner handler or provide an inner handler in the constructor.

Note that InnerHandler property may be a delegating handler too. This approach allows the creation of handler stacks to process the HTTP response messages.

.NET Framework

Supported in: 4.5.1, 4.5

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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