public delegate void MessageWaitingEventHandler(
	Object sender,
	MessageWaitingEvent e
)

Public Delegate Sub MessageWaitingEventHandler ( 
	sender As Object,
	e As MessageWaitingEvent
)

public delegate void MessageWaitingEventHandler(
	Object^ sender, 
	MessageWaitingEvent^ e
)

type MessageWaitingEventHandler = 
    delegate of 
        sender : Object * 
        e : MessageWaitingEvent -> unit