The class of widget-windows that are instantiated whenever a header-control is
added to a window. Probably not of concern to applications unless it
needs to intercept low-level window events of a header-control subclass or
otherwise add methods to the widget-window of a header-control. See widget-window.
Common Graphics and IDE documentation is described in About Common Graphics and IDE documentation in cgide.htm.
The documentation is described in introduction.htm and the index is in index.htm.
Copyright (c) 1998-2000, Franz Inc. Berkeley, CA., USA. All rights reserved.
Created 2000.10.5.