ForumViewModelSubscribeAsync - метод

Public Function SubscribeAsync ( 
	topicID As Guid,
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of Boolean)

public:
Task<bool>^ SubscribeAsync(
	Guid topicID, 
	CancellationToken cancellationToken = CancellationToken()
)

member SubscribeAsync : 
        topicID : Guid * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<bool>