PERSTOR.H

/************************************************************************** 
   THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF 
   ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO 
   THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A 
   PARTICULAR PURPOSE. 
 
   Copyright 1997 Microsoft Corporation.  All Rights Reserved. 
**************************************************************************/ 
 
/****************************************************************************** 
 
   File:          PerStor.h 
    
   Description:   CPersistStorage definitions. 
 
******************************************************************************/ 
 
#ifndef PERSISTSTORAGE_H 
#define PERSISTSTORAGE_H 
 
/************************************************************************** 
   #include statements 
**************************************************************************/ 
 
#include "DOServer.h" 
 
/************************************************************************** 
 
   CPersistStorage class definition 
 
**************************************************************************/ 
 
class COleDocument; 
 
class CPersistStorage : public IPersistStorage 
{ 
friend class CPersistFile; 
 
private: 
   COleDocument   *m_pOleDoc; 
   LPSTORAGE      m_pStorage; 
   LPSTREAM       m_pColorStream; 
   BOOL           m_fSameAsLoad; 
 
public: 
   CPersistStorage(COleDocument*); 
   ~CPersistStorage(); 
 
   //IUnknown methods 
   STDMETHODIMP QueryInterface(REFIID, LPVOID*); 
   STDMETHODIMP_(DWORD) AddRef(); 
   STDMETHODIMP_(DWORD) Release(); 
 
   //IPersistStorage methods 
STDMETHODIMP InitNew(LPSTORAGE); 
STDMETHODIMP GetClassID(LPCLSID); 
STDMETHODIMP Save(LPSTORAGE, BOOL); 
STDMETHODIMP SaveCompleted(LPSTORAGE); 
STDMETHODIMP Load(LPSTORAGE); 
STDMETHODIMP IsDirty(); 
STDMETHODIMP HandsOffStorage(); 
    
private: 
void ReleaseStreamsAndStorage(); 
void OpenStreams(LPSTORAGE); 
void CreateStreams(LPSTORAGE); 
void CreateStreams(LPSTORAGE, LPSTREAM*); 
 
}; 
 
#endif   //PERSISTSTORAGE_H