ContactGroupServices.BeginRefresh(AsyncCallback, Object) Method

Reference

Definition

Namespace:: Microsoft.Rtc.Collaboration.ContactsGroups

Assembly:: Microsoft.Rtc.Collaboration.dll

Important

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Begins an asynchronous operation to refresh the subscription.

public:
 override IAsyncResult ^ BeginRefresh(AsyncCallback ^ userCallback, System::Object ^ state);

public override IAsyncResult BeginRefresh (AsyncCallback userCallback, object state);

override this.BeginRefresh : AsyncCallback * obj -> IAsyncResult

Public Overrides Function BeginRefresh (userCallback As AsyncCallback, state As Object) As IAsyncResult

Parameters

userCallback: AsyncCallback

The method to be called when the asynchronous operation is completed.

state: Object

A user-provided object that distinguishes this particular asynchronous operation from other asynchronous operations.

Returns

IAsyncResult

An IAsyncResult that references the asynchronous operation.

Exceptions

InvalidOperationException

Thrown when the subscription was not previously established.

Applies to

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