IMessageProviderShowExceptionAsync - метод

Function ShowExceptionAsync ( 
	ex As Exception,
	Optional caption As String = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As ValueTask

ValueTask ShowExceptionAsync(
	Exception^ ex, 
	String^ caption = nullptr, 
	CancellationToken cancellationToken = CancellationToken()
)

abstract ShowExceptionAsync : 
        ex : Exception * 
        ?caption : string * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _caption = defaultArg caption null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> ValueTask