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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkInformationUnsignedLongKey.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkInformationUnsignedLongKey_h
#define vtkInformationUnsignedLongKey_h

#include "vtkCommonCoreModule.h" // For export macro
#include "vtkInformationKey.h"

#include "vtkCommonInformationKeyManager.h" // Manage instances of this type.

class VTKCOMMONCORE_EXPORT vtkInformationUnsignedLongKey : public vtkInformationKey
{
public:
  vtkTypeMacro(vtkInformationUnsignedLongKey,vtkInformationKey);
  void PrintSelf(ostream& os, vtkIndent indent);

  vtkInformationUnsignedLongKey(const char* name, const char* location);
  ~vtkInformationUnsignedLongKey();


  static vtkInformationUnsignedLongKey* MakeKey(const char* name, const char* location)
    {
    return new vtkInformationUnsignedLongKey(name, location);
    }


  void Set(vtkInformation* info, unsigned long);
  unsigned long Get(vtkInformation* info);

  virtual void ShallowCopy(vtkInformation* from, vtkInformation* to);

  virtual void Print(ostream& os, vtkInformation* info);

protected:
  unsigned long* GetWatchAddress(vtkInformation* info);

private:
  vtkInformationUnsignedLongKey(const vtkInformationUnsignedLongKey&);  // Not implemented.
  void operator=(const vtkInformationUnsignedLongKey&);  // Not implemented.
};

#endif