ICardDialogManagerShowTaskHistoryItem - метод

void ShowTaskHistoryItem(
	INotifyPropertyChanged model,
	Action completionAction = null
)

Sub ShowTaskHistoryItem ( 
	model As INotifyPropertyChanged,
	Optional completionAction As Action = Nothing
)

void ShowTaskHistoryItem(
	INotifyPropertyChanged^ model, 
	Action^ completionAction = nullptr
)

abstract ShowTaskHistoryItem : 
        model : INotifyPropertyChanged * 
        ?completionAction : Action 
(* Defaults:
        let _completionAction = defaultArg completionAction null
*)
-> unit