BeginAddTargets Method
Add target in the subscription dispatcher and also start the subscription for given target.
Namespace: Microsoft.Rtc.Collaboration.Presence
Assembly: Microsoft.Rtc.Collaboration (in Microsoft.Rtc.Collaboration.dll)
Syntax
'Declaration
Public Function BeginAddTargets ( _
targetsToAdd As ICollection(Of RemotePresentitySubscriptionTarget), _
userCallback As AsyncCallback, _
state As Object _
) As IAsyncResult
'Usage
Dim instance As RemotePresence
Dim targetsToAdd As ICollection(Of RemotePresentitySubscriptionTarget)
Dim userCallback As AsyncCallback
Dim state As Object
Dim returnValue As IAsyncResult
returnValue = instance.BeginAddTargets(targetsToAdd, _
userCallback, state)
public IAsyncResult BeginAddTargets(
ICollection<RemotePresentitySubscriptionTarget> targetsToAdd,
AsyncCallback userCallback,
Object state
)
Parameters
- targetsToAdd
Type: System.Collections.Generic..::..ICollection<(Of <(<'RemotePresentitySubscriptionTarget>)>)>
- userCallback
Type: System..::..AsyncCallback
- state
Type: System..::..Object
Return Value
Type: System..::..IAsyncResult
Remarks
Exceptions
[T:System.ArgumentNullException]: Thrown when targetsToAdd parameter passed is null.
[T:System.ArgumentException]: Thrown when targetsToAdd parameter is an empty collection, contains null RemotePresentitySubscriptionTarget member or shows no new targets.