public delegate void UndoEventHandler(
	Object sender,
	UndoEventArgs e
)

Public Delegate Sub UndoEventHandler ( 
	sender As Object,
	e As UndoEventArgs
)

public delegate void UndoEventHandler(
	Object^ sender, 
	UndoEventArgs^ e
)

type UndoEventHandler = 
    delegate of 
        sender : Object * 
        e : UndoEventArgs -> unit