ForumUIHelperOpenTopicAsync - метод

public static Task OpenTopicAsync(
	ICardModel cardModel,
	Guid topicID,
	Guid TopicTypeID,
	DateTime? openMessageTime = null,
	bool isNeedUpdatelastReadMessageTime = true,
	CancellationToken cancellationToken = default
)

Public Shared Function OpenTopicAsync ( 
	cardModel As ICardModel,
	topicID As Guid,
	TopicTypeID As Guid,
	Optional openMessageTime As DateTime? = Nothing,
	Optional isNeedUpdatelastReadMessageTime As Boolean = true,
	Optional cancellationToken As CancellationToken = Nothing
) As Task

public:
static Task^ OpenTopicAsync(
	ICardModel^ cardModel, 
	Guid topicID, 
	Guid TopicTypeID, 
	Nullable<DateTime> openMessageTime = nullptr, 
	bool isNeedUpdatelastReadMessageTime = true, 
	CancellationToken cancellationToken = CancellationToken()
)

static member OpenTopicAsync : 
        cardModel : ICardModel * 
        topicID : Guid * 
        TopicTypeID : Guid * 
        ?openMessageTime : Nullable<DateTime> * 
        ?isNeedUpdatelastReadMessageTime : bool * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _openMessageTime = defaultArg openMessageTime null
        let _isNeedUpdatelastReadMessageTime = defaultArg isNeedUpdatelastReadMessageTime true
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task