text: /*=========================================================================
  
    Program:   Visualization Toolkit
    Module:    vtkOldStyleCallbackCommand.cxx
  
    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.
  
  =========================================================================*/
  #include "vtkOldStyleCallbackCommand.h"
  
  #include "vtkSetGet.h"
  #include "vtkObject.h"
  
  #include <string.h>
  #include <ctype.h>
  
  //----------------------------------------------------------------
  vtkOldStyleCallbackCommand::vtkOldStyleCallbackCommand() 
  { 
    this->ClientData = NULL;
    this->Callback = NULL; 
    this->ClientDataDeleteCallback = NULL;
  }
    
  vtkOldStyleCallbackCommand::~vtkOldStyleCallbackCommand() 
  { 
    if (this->ClientDataDeleteCallback)
      {
      this->ClientDataDeleteCallback(this->ClientData);
      }
  }
   
  void vtkOldStyleCallbackCommand::Execute(vtkObject *,unsigned long, void *)
  {
    if (this->Callback)
      {
      this->Callback(this->ClientData);
      }
  }
  