DuplexChannelFactory<TChannel> Constructor (InstanceContext, Binding)


Initializes a new instance of the DuplexChannelFactory<TChannel> class with a context that implements the callback contract and a specified binding.

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

public DuplexChannelFactory(
	InstanceContext callbackInstance,
	Binding binding


Type: System.ServiceModel.InstanceContext

The InstanceContext that the client uses to listen for messages from the connected service.

Type: System.ServiceModel.Channels.Binding

The Binding used to connect to the service by channels produced by the factory.

Exception Condition

callbackInstance or binding is null.

Use this constructor to pass an instance context object that implements the callback contract for the target service and to pass the binding information programmatically rather than by using an application configuration file.

Universal Windows Platform
Available since 8
.NET Framework
Available since 3.0
Portable Class Library
Supported in: portable .NET platforms
Available since 3.0
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