ViewerDialog</A> object is a
        a dialog which provides some standard triggers and behavior.  To
        display the document's data, create a ViewerDialog and then place
        other objects within it.</DD>
<DT><STRONG>Write the <A HREF="#FSLib.htm">four entry-point</A> routines for the library.</STRONG></DT>
    <DD>The Viewer library will call routines of your VILFile library
        when it's time to open a document, close a document, save to
        state, or switch between documents.  You will n