public delegate void RosterUpdatedEventHandler(
	Object sender,
	RosterUpdatedEventArgs rosterUpdatedEventArgs
)

Public Delegate Sub RosterUpdatedEventHandler ( 
	sender As Object,
	rosterUpdatedEventArgs As RosterUpdatedEventArgs
)

public delegate void RosterUpdatedEventHandler(
	Object^ sender, 
	RosterUpdatedEventArgs^ rosterUpdatedEventArgs
)

type RosterUpdatedEventHandler = 
    delegate of 
        sender : Object * 
        rosterUpdatedEventArgs : RosterUpdatedEventArgs -> unit