IUIHostShowFormDialogAsync - метод

Function ShowFormDialogAsync ( 
	title As String,
	form As CardTypeForm,
	model As ICardModel,
	Optional initializeActionAsync As Func(Of IFormViewModelBase, CancellationToken, ValueTask) = Nothing,
	Optional initializeWindowActionAsync As Func(Of Window, CancellationToken, ValueTask) = Nothing,
	Optional modalDialog As Boolean = true,
	Optional closeOnEscapeKey As Boolean = false,
	Optional withoutExtensions As Boolean = false,
	Optional supressUnloading As Boolean = false,
	Optional mainForm As Boolean = false,
	Optional cancellationToken As CancellationToken = Nothing,
	ParamArray buttons As UIButton()
) As ValueTask(Of Boolean)

ValueTask<bool> ShowFormDialogAsync(
	String^ title, 
	CardTypeForm^ form, 
	ICardModel^ model, 
	Func<IFormViewModelBase^, CancellationToken, ValueTask>^ initializeActionAsync = nullptr, 
	Func<Window^, CancellationToken, ValueTask>^ initializeWindowActionAsync = nullptr, 
	bool modalDialog = true, 
	bool closeOnEscapeKey = false, 
	bool withoutExtensions = false, 
	bool supressUnloading = false, 
	bool mainForm = false, 
	CancellationToken cancellationToken = CancellationToken(), 
	... array<UIButton^>^ buttons
)

abstract ShowFormDialogAsync : 
        title : string * 
        form : CardTypeForm * 
        model : ICardModel * 
        ?initializeActionAsync : Func<IFormViewModelBase, CancellationToken, ValueTask> * 
        ?initializeWindowActionAsync : Func<Window, CancellationToken, ValueTask> * 
        ?modalDialog : bool * 
        ?closeOnEscapeKey : bool * 
        ?withoutExtensions : bool * 
        ?supressUnloading : bool * 
        ?mainForm : bool * 
        ?cancellationToken : CancellationToken * 
        buttons : UIButton[] 
(* Defaults:
        let _initializeActionAsync = defaultArg initializeActionAsync null
        let _initializeWindowActionAsync = defaultArg initializeWindowActionAsync null
        let _modalDialog = defaultArg modalDialog true
        let _closeOnEscapeKey = defaultArg closeOnEscapeKey false
        let _withoutExtensions = defaultArg withoutExtensions false
        let _supressUnloading = defaultArg supressUnloading false
        let _mainForm = defaultArg mainForm false
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> ValueTask<bool>