DuplexClientBase<TChannel> Constructor (InstanceContext)

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

Initializes a new instance of the DuplexClientBase<TChannel> class using the specified callback object.

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

Syntax

'Declaration
Protected Sub New ( _
    callbackInstance As InstanceContext _
)

protected DuplexClientBase(
    InstanceContext callbackInstance
)

callbackInstance
Type: System.ServiceModel.InstanceContext
An InstanceContext object that associates the callback object with the channel to the service.

Exception	Condition
ArgumentNullException	The callback instance is null.

The callbackInstance provided by the user is used to service all callback operations.

Supported in: 5, 4

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