PERSTOR.H
资源名称:MSDN_VC98.zip [点击查看]
上传用户:bangxh
上传日期:2007-01-31
资源大小:42235k
文件大小:2k
源码类别:
Windows编程
开发平台:
Visual C++
- /**************************************************************************
- 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