Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
Sets the Refer state. This will result in sending Notification to the referrer.
Namespace: Microsoft.Rtc.Signaling
Assembly: Microsoft.Rtc.Collaboration (in Microsoft.Rtc.Collaboration.dll)
Syntax
'Declaration
Public MustOverride Function BeginSetState ( _
referState As ReferState, _
userCallback As AsyncCallback, _
state As Object _
) As IAsyncResult
'Usage
Dim instance As ReferNotifier
Dim referState As ReferState
Dim userCallback As AsyncCallback
Dim state As Object
Dim returnValue As IAsyncResult
returnValue = instance.BeginSetState(referState, _
userCallback, state)
public abstract IAsyncResult BeginSetState(
ReferState referState,
AsyncCallback userCallback,
Object state
)
Parameters
- referState
Type: Microsoft.Rtc.Signaling.ReferState
The refer State value to set
- userCallback
Type: System.AsyncCallback
The method to be called when the asynchronous operation is completed.
- state
Type: System.Object
A user-provided object that distinguishes this particular asynchronous operation from other asynchronous operations.
Return Value
Type: System.IAsyncResult
An IAsyncResult that references the asynchronous operation.
Exceptions
| Exception | Condition |
|---|---|
| InvalidOperationException | Thrown when the session is not in a valid session state to set the refer state. |