ns as a VisContent for most purposes; there is some subclassed behavior so that the VisRuler will be notified when the RulerView has detected a scroll or scale event.</P>
<P>
A VisRuler should be the child of the RulerContent. If you have more than one VisRuler associated with a view, you should use the <CODE>
VRI_slave</CODE>
 links to connect them. When one VisRuler receives certain messages, it will handle them and pass them on to whatever VisRuler has been designated in its <CODE>
VRI_slave</CODE>
 fiel