ICardDialogManagerShowPreview - метод

Sub ShowPreview ( 
	model As INotifyPropertyChanged,
	previewMode As CardPreviewMode,
	Optional cardName As String = Nothing,
	Optional modalDialog As Boolean = false,
	Optional instanceType As CardInstanceType = CardInstanceType.Card,
	Optional completionActionAsync As Func(Of Task) = Nothing
)

void ShowPreview(
	INotifyPropertyChanged^ model, 
	CardPreviewMode previewMode, 
	String^ cardName = nullptr, 
	bool modalDialog = false, 
	CardInstanceType instanceType = CardInstanceType::Card, 
	Func<Task^>^ completionActionAsync = nullptr
)

abstract ShowPreview : 
        model : INotifyPropertyChanged * 
        previewMode : CardPreviewMode * 
        ?cardName : string * 
        ?modalDialog : bool * 
        ?instanceType : CardInstanceType * 
        ?completionActionAsync : Func<Task> 
(* Defaults:
        let _cardName = defaultArg cardName null
        let _modalDialog = defaultArg modalDialog false
        let _instanceType = defaultArg instanceType CardInstanceType.Card
        let _completionActionAsync = defaultArg completionActionAsync null
*)
-> unit