Use this method to subscribe to another entity's presence.
Syntax
[VB.NET]
Public Function SubscribeToAsync(ByVal JabberId As String)AsTask
[C#]
public Task SubscribeToAsync(string jabberId);
Remarks
This method is the asynchronous version of the SubscribeTo method and is used to support asynchronous operations in WinRT. Please refer to SubscribeTo for more information.