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IChannel Interface

Defines the basic interface that all channel objects must implement. It requires that they implement the state machine interface shared by all communication objects and that they implement a method to retrieve objects from the channel stack.

Namespace:  System.ServiceModel.Channels
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

public interface IChannel : ICommunicationObject

The IChannel type exposes the following members.

  NameDescription
Public propertySupported by Portable Class LibraryStateGets the current state of the communication-oriented object. (Inherited from ICommunicationObject.)
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  NameDescription
Public methodSupported by Portable Class LibraryAbortCauses a communication object to transition immediately from its current state into the closed state. (Inherited from ICommunicationObject.)
Public methodSupported by Portable Class LibraryBeginClose(AsyncCallback, Object)Begins an asynchronous operation to close a communication object. (Inherited from ICommunicationObject.)
Public methodSupported by Portable Class LibraryBeginClose(TimeSpan, AsyncCallback, Object)Begins an asynchronous operation to close a communication object with a specified timeout. (Inherited from ICommunicationObject.)
Public methodSupported by Portable Class LibraryBeginOpen(AsyncCallback, Object)Begins an asynchronous operation to open a communication object. (Inherited from ICommunicationObject.)
Public methodSupported by Portable Class LibraryBeginOpen(TimeSpan, AsyncCallback, Object)Begins an asynchronous operation to open a communication object within a specified interval of time. (Inherited from ICommunicationObject.)
Public methodSupported by Portable Class LibraryClose()Causes a communication object to transition from its current state into the closed state. (Inherited from ICommunicationObject.)
Public methodSupported by Portable Class LibraryClose(TimeSpan)Causes a communication object to transition from its current state into the closed state. (Inherited from ICommunicationObject.)
Public methodSupported by Portable Class LibraryEndCloseCompletes an asynchronous operation to close a communication object. (Inherited from ICommunicationObject.)
Public methodSupported by Portable Class LibraryEndOpenCompletes an asynchronous operation to open a communication object. (Inherited from ICommunicationObject.)
Public methodSupported by Portable Class LibraryGetProperty<T>Returns a typed object requested, if present, from the appropriate layer in the channel stack.
Public methodSupported by Portable Class LibraryOpen()Causes a communication object to transition from the created state into the opened state. (Inherited from ICommunicationObject.)
Public methodSupported by Portable Class LibraryOpen(TimeSpan)Causes a communication object to transition from the created state into the opened state within a specified interval of time. (Inherited from ICommunicationObject.)
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  NameDescription
Public eventSupported by Portable Class LibraryClosedOccurs when the communication object completes its transition from the closing state into the closed state. (Inherited from ICommunicationObject.)
Public eventSupported by Portable Class LibraryClosingOccurs when the communication object first enters the closing state. (Inherited from ICommunicationObject.)
Public eventSupported by Portable Class LibraryFaultedOccurs when the communication object first enters the faulted state. (Inherited from ICommunicationObject.)
Public eventSupported by Portable Class LibraryOpenedOccurs when the communication object completes its transition from the opening state into the opened state. (Inherited from ICommunicationObject.)
Public eventSupported by Portable Class LibraryOpeningOccurs when the communication object first enters the opening state. (Inherited from ICommunicationObject.)
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Channels must satisfy the contract of a state machine as defined by the ICommunicationObject interface.

The IChannel interface adds the

GetProperty<T> method to the ICommunicationObject interface. This method provides a mechanism for retrieving properties from the channel stack regardless of where in the stack those properties live. The term "property" in the method name refers to a piece of information that belongs to one of the channels in the stack. The CLR type for that property is determined by T. This method of retrieval is also used on channel factories and channel listeners.

IChannel is inherited by each of the channel interfaces associated with the basic message-exchange patterns:

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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