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- ///////////////////////////////////////////////////////////////////////////////
- //////////////////////////////////////////////////////////////////////////////
- // This example code is from the book:
- //
- // Object-Oriented Programming with C++ and OSF/Motif
- // by
- // Douglas Young
- // Prentice Hall, 1992
- // ISBN 0-13-630252-1
- //
- // Copyright 1991 by Prentice Hall
- // All Rights Reserved
- //
- // Permission to use, copy, modify, and distribute this software for
- // any purpose except publication and without fee is hereby granted, provided
- // that the above copyright notice appear in all copies of the software.
- ///////////////////////////////////////////////////////////////////////////////
- //////////////////////////////////////////////////////////////////////////////
-
-
- //////////////////////////////////////////////////////////
- // NoUndoCmd.h: Base class for all commands without undo
- //////////////////////////////////////////////////////////
- #ifndef NOUNDOCMD_H
- #define NOUNDOCMD_H
- #include "Cmd.h"
-
- class NoUndoCmd : public Cmd {
-
- protected:
-
- #ifndef CPLUSPLUS2_1
- virtual void doit() = 0; // Specific actions must be defined
- #endif
-
- virtual void undoit();
-
- public:
-
- NoUndoCmd ( char *, int );
- };
- #endif
-