DuplexChannelFactory<TChannel> Constructor (InstanceContext, String)
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Initializes a new instance of the DuplexChannelFactory<TChannel> class with an object that implements the callback contract and a specified configuration.
Namespace: System.ServiceModel
Assembly: System.ServiceModel.Extensions (in System.ServiceModel.Extensions.dll)
Syntax
'Declaration
Public Sub New ( _
callbackInstance As InstanceContext, _
endpointConfigurationName As String _
)
public DuplexChannelFactory(
InstanceContext callbackInstance,
string endpointConfigurationName
)
Parameters
- callbackInstance
Type: System.ServiceModel.InstanceContext
The InstanceContext that the client uses to listen for messages from the connected service.
- endpointConfigurationName
Type: System.String
The name used for the endpoint configuration.
Exceptions
| Exception | Condition |
|---|---|
| ArgumentNullException | callbackInstance or endpointConfigurationName is nulla null reference (Nothing in Visual Basic). |
Remarks
Use this constructor to pass an instance context object that implements the callback contract for the target service and to determine the target endpoint information from the client application configuration file.
Version Information
Silverlight
Supported in: 5, 4
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.