_AttributeChangingHandler Delegate

[Visual Basic]
Public Delegate Sub _AttributeChangingHandler( _
   ByVal sender As Object, _
   ByVal e As ObjectChangedEventArgs _
) 

[C#]
public delegate void _AttributeChangingHandler( 
   Object sender,
   ObjectChangedEventArgs e
);

[JScript]
public delegate void _AttributeChangingHandler( 
   sender : Object,
   e : ObjectChangedEventArgs
)