ShowCardPreviewActionAsync - делегат

public delegate Task ShowCardPreviewActionAsync(
	CardTypeForm typeForm,
	CardType type,
	CardPreviewMode previewMode,
	CancellationToken cancellationToken = default
)

Public Delegate Function ShowCardPreviewActionAsync ( 
	typeForm As CardTypeForm,
	type As CardType,
	previewMode As CardPreviewMode,
	Optional cancellationToken As CancellationToken = Nothing
) As Task

public delegate Task^ ShowCardPreviewActionAsync(
	CardTypeForm^ typeForm, 
	CardType^ type, 
	CardPreviewMode previewMode, 
	CancellationToken cancellationToken = CancellationToken()
)

type ShowCardPreviewActionAsync = 
    delegate of 
        typeForm : CardTypeForm * 
        type : CardType * 
        previewMode : CardPreviewMode * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task