Articolo
11/18/2011

DuplexClientBase<TChannel> Class

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Provides the base implementation from which Silverlight 5 client objects can call duplex services.

Inheritance Hierarchy

System.Object
System.ServiceModel.ClientBase<TChannel>
System.ServiceModel.DuplexClientBase<TChannel>

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

Syntax

'Declaration
Public MustInherit Class DuplexClientBase(Of TChannel As Class) _
    Inherits ClientBase(Of TChannel)

public abstract class DuplexClientBase<TChannel> : ClientBase<TChannel>
where TChannel : class

Type Parameters

TChannel
The type of the channel to be created.

The DuplexClientBase<TChannel> type exposes the following members.

Constructors

	Name	Description
	DuplexClientBase<TChannel>(InstanceContext)	Initializes a new instance of the DuplexClientBase<TChannel> class using the specified callback object.
	DuplexClientBase<TChannel>(InstanceContext, String)	Initializes a new instance of the DuplexClientBase<TChannel> class using the specified callback object and configuration name.
	DuplexClientBase<TChannel>(InstanceContext, Binding, EndpointAddress)	Initializes a new instance of the DuplexClientBase<TChannel> class using the specified callback object, binding, and service endpoint address.
	DuplexClientBase<TChannel>(InstanceContext, String, EndpointAddress)	Initializes a new instance of the DuplexClientBase<TChannel> class using the specified callback object, configuration name, and service endpoint address.
	DuplexClientBase<TChannel>(InstanceContext, String, String)	Initializes a new instance of the DuplexClientBase<TChannel> class using the specified callback object, configuration name, and service endpoint address.

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Properties

	Name	Description
	Channel	Gets the inner channel used to communicate with the service. (Inherited from ClientBase<TChannel>.)
	ChannelFactory	Gets the underlying ChannelFactory<TChannel> object. (Inherited from ClientBase<TChannel>.)
	ClientCredentials	Gets the client credentials used to call an operation. (Inherited from ClientBase<TChannel>.)
	Endpoint	Gets the target endpoint for the service to which the Silverlight 5 client can connect. (Inherited from ClientBase<TChannel>.)
	InnerChannel	Gets the underlying IClientChannel implementation. (Inherited from ClientBase<TChannel>.)
	State	Gets the current state of the ClientBase<TChannel> object. (Inherited from ClientBase<TChannel>.)

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Methods

	Name	Description
	Abort	Causes the ClientBase<TChannel> object to transition immediately from its current state into the closed state. (Inherited from ClientBase<TChannel>.)
	CreateChannel	Returns a channel to the service associated with the callback object passed to the constructor. (Overrides ClientBase<TChannel>.CreateChannel().)
	Equals(Object)	Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
	GetDefaultValueForInitialization<T>	Replicates the behavior of the default keyword in C#. (Inherited from ClientBase<TChannel>.)
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	InvokeAsync	Provides support for implementing the event-based asynchronous pattern. For more information about this pattern, see Event-based Asynchronous Pattern Overview. (Inherited from ClientBase<TChannel>.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Explicit Interface Implementations

	Name	Description
	ICommunicationObject.BeginClose(AsyncCallback, Object)	Begins an asynchronous operation to close the ClientBase<TChannel>. (Inherited from ClientBase<TChannel>.)
	ICommunicationObject.BeginClose(TimeSpan, AsyncCallback, Object)	Begins an asynchronous operation to close the ClientBase<TChannel> with a specified time-out. (Inherited from ClientBase<TChannel>.)
	ICommunicationObject.BeginOpen(AsyncCallback, Object)	Begins an asynchronous operation to open the ClientBase<TChannel> object. (Inherited from ClientBase<TChannel>.)
	ICommunicationObject.BeginOpen(TimeSpan, AsyncCallback, Object)	Begins an asynchronous operation to open the ClientBase<TChannel> object within a specified interval of time. (Inherited from ClientBase<TChannel>.)
	ICommunicationObject.Close()	Causes the ClientBase<TChannel> object to transition from its current state into the closed state. (Inherited from ClientBase<TChannel>.)
	ICommunicationObject.Close(TimeSpan)	Causes the ClientBase<TChannel> object to transition from its current state into the closed state. (Inherited from ClientBase<TChannel>.)
	ICommunicationObject.Closed	The event handler that is invoked when the ClientBase<TChannel> object has transitioned from its current state to the closed state. (Inherited from ClientBase<TChannel>.)
	ICommunicationObject.Closing	The event handler that is invoked when the ClientBase<TChannel> object transitions from its current state to the closed state. (Inherited from ClientBase<TChannel>.)
	ICommunicationObject.EndClose	Completes an asynchronous operation to close the ClientBase<TChannel> object. (Inherited from ClientBase<TChannel>.)
	ICommunicationObject.EndOpen	Completes an asynchronous operation to open the ClientBase<TChannel> object. (Inherited from ClientBase<TChannel>.)
	ICommunicationObject.Faulted	The event handler that is invoked when a fault occurs while performing an operation on the ClientBase<TChannel> object. (Inherited from ClientBase<TChannel>.)
	ICommunicationObject.Open()	Causes the ClientBase<TChannel> object to transition from the created state into the opened state. (Inherited from ClientBase<TChannel>.)
	ICommunicationObject.Open(TimeSpan)	Causes the ClientBase<TChannel> object to transition from the created state into the opened state within a specified interval of time. (Inherited from ClientBase<TChannel>.)
	ICommunicationObject.Opened	The event handler that is invoked when the ClientBase<TChannel> object has transitioned from the created state to the opened state. (Inherited from ClientBase<TChannel>.)
	ICommunicationObject.Opening	The event handler that is invoked when the ClientBase<TChannel> object transitions from the created state to the opened state. (Inherited from ClientBase<TChannel>.)

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Remarks

Extend the DuplexClientBase<TChannel> class to create a Silverlight 5 client object (proxy) that can be used to connect to a duplex service. Duplex communication between a client and service is governed by a message exchange contract in which either endpoint can send messages to the other independently. A callback object is used to enable the service to set up this bidirectional communication.

Version Information

Silverlight

Supported in: 5, 4, 3

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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.

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