**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
virtual bool OnOpenDocument (const wxString& filename);
virtual bool OnCloseDocument ();
virtual bool IsModified () const;
virtual bool OnOpenDocument (const wxString& filename);
virtual bool OnCloseDocument ();
virtual bool IsModified () const;