NotificationUIExtensionsShowTextOrMessageBoxAsync - метод

public static Task ShowTextOrMessageBoxAsync(
	this INotificationUIManager manager,
	string text,
	TimeSpan? duration = null,
	TextAlignment textAlignment = TextAlignment.Center
)

<ExtensionAttribute>
Public Shared Function ShowTextOrMessageBoxAsync ( 
	manager As INotificationUIManager,
	text As String,
	Optional duration As TimeSpan? = Nothing,
	Optional textAlignment As TextAlignment = TextAlignment.Center
) As Task

public:
[ExtensionAttribute]
static Task^ ShowTextOrMessageBoxAsync(
	INotificationUIManager^ manager, 
	String^ text, 
	Nullable<TimeSpan> duration = nullptr, 
	TextAlignment textAlignment = TextAlignment::Center
)

[<ExtensionAttribute>]
static member ShowTextOrMessageBoxAsync : 
        manager : INotificationUIManager * 
        text : string * 
        ?duration : Nullable<TimeSpan> * 
        ?textAlignment : TextAlignment 
(* Defaults:
        let _duration = defaultArg duration null
        let _textAlignment = defaultArg textAlignment TextAlignment.Center
*)
-> Task