 rather than <CODE>
VisClass</CODE>
. This flag indicates the object may have children (normal <CODE>
VisClass</CODE>
 objects can not have children). Because this is not the only difference between these classes, changing this flag can have unpredictable results.</DD>
<DT>
VTF_IS_WINDOW</DT><DD>
<A NAME="IX_Windows:VTF_IS_WINDOW">
 </A>
This flag is set if the object creates a window via the window system in order to display itself and its children. This flag implies the object must also have VTF_IS_COMPOS