IDialogServiceConfirm - метод

bool Confirm(
	string text,
	string caption = null
)

Function Confirm ( 
	text As String,
	Optional caption As String = Nothing
) As Boolean

bool Confirm(
	String^ text, 
	String^ caption = nullptr
)

abstract Confirm : 
        text : string * 
        ?caption : string 
(* Defaults:
        let _caption = defaultArg caption null
*)
-> bool