BeginTerminateSubscription Method
Terminates this refer subscription.
Namespace: Microsoft.Rtc.Signaling
Assembly: Microsoft.Rtc.Collaboration (in Microsoft.Rtc.Collaboration.dll)
Syntax
'Declaration
Public Function BeginTerminateSubscription ( _
userCallback As AsyncCallback, _
state As Object _
) As IAsyncResult
'Usage
Dim instance As ReferStatus
Dim userCallback As AsyncCallback
Dim state As Object
Dim returnValue As IAsyncResult
returnValue = instance.BeginTerminateSubscription(userCallback, _
state)
public IAsyncResult BeginTerminateSubscription(
AsyncCallback userCallback,
Object state
)
Parameters
- userCallback
Type: System..::..AsyncCallback
The method to be called when the [TerminateSubscription] operation has completed.
- state
Type: System..::..Object
The state to be passed back to the callback.
Return Value
Type: System..::..IAsyncResult
Returns an [IAsyncResult] that references this operation.
Remarks
The subscription is active until terminating Notify message is received. If the application is not interested in waiting for the notification messages, this method can be used to terminate the underlying subscription for these notification messages. The Refer state is not affected by this operation.