#pragma once

#ifndef T_PARAMUNDO_INCLUDED

#define T_PARAMUNDO_INCLUDED

#include "tparamchange.h"

#undef DVAPI

#undef DVVAR

#ifdef TAPPTOOLS_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

class DVAPI TParamUndoManager : public TParamObserver {  // singleton

protected:

  TParamUndoManager() {}

  virtual ~TParamUndoManager(){};

public:

  static TParamUndoManager *instance();

};

#endif