IPERSTRM.H

/* 
 * IPERSTRM.H 
 * 
 * Definitions of a template IPersistStream interface 
 * implementation. 
 * 
 * Copyright (c)1993-1996 Microsoft Corporation, All Rights Reserved 
 * 
 * Kraig Brockschmidt, Software Design Engineer 
 * Microsoft Systems Developer Relations 
 * 
 * Internet  :  kraigb@microsoft.com 
 * Compuserve:  >INTERNET:kraigb@microsoft.com 
 */ 
 
 
#ifndef _IPERSTRM_H_ 
#define _IPERSTRM_H_ 
 
class CImpIPersistStream; 
typedef class CImpIPersistStream *PIMPIPERSISTSTREAM; 
 
class CImpIPersistStream : public IPersistStream 
    { 
    protected: 
        ULONG           m_cRef;      //Interface reference count 
        LPVOID          m_pObj;      //Back pointer to the object 
        LPUNKNOWN       m_pUnkOuter; //For delegation 
 
    public: 
        CImpIPersistStream(LPVOID, LPUNKNOWN); 
        ~CImpIPersistStream(void); 
 
        STDMETHODIMP QueryInterface(REFIID, LPVOID *); 
        STDMETHODIMP_(ULONG) AddRef(void); 
        STDMETHODIMP_(ULONG) Release(void); 
 
        STDMETHODIMP GetClassID(LPCLSID); 
 
        STDMETHODIMP IsDirty(void); 
        STDMETHODIMP Load(LPSTREAM); 
        STDMETHODIMP Save(LPSTREAM, BOOL); 
        STDMETHODIMP GetSizeMax(ULARGE_INTEGER *); 
    }; 
 
 
#endif  //_IPERSTRM_H_