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KOALA.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++

KOALA.H：源码内容
  1. /*
  2.  * KOALA.H
  3.  * Koala Object for EXE Servers, Chapter 6
  4.  *
  5.  * Classes that implement an object with IExternalConnection.
  6.  *
  7.  * Copyright (c)1993-1995 Microsoft Corporation, All Right Reserved
  8.  *
  9.  * Kraig Brockschmidt, Microsoft
  10.  * Internet  :  kraigb@microsoft.com
  11.  * Compuserve:  >INTERNET:kraigb@microsoft.com
  12.  */
  15. #ifndef _KOALA_H_
  16. #define _KOALA_H_
  18. #define CHAPTER6
  19. #include <inole.h>
  21. //KOALA.CPP
  23. //CHAPTER6MOD
  24. class CImpIPersist;
  25. typedef CImpIPersist *PCImpIPersist;
  27. class CKoala : public IExternalConnection
  28. //End CHAPTER6MOD
  29.     {
  30.     protected:
  31.         ULONG           m_cRef;         //Object reference count
  32.         LPUNKNOWN       m_pUnkOuter;    //Controlling unknown
  33.         PFNDESTROYED    m_pfnDestroy;   //To call on closure
  35.         //CHAPTER6MOD
  36.         DWORD           m_cStrong;      //Strong lock count
  37.         DWORD           m_cWeak;        //Weak lock count
  39.         PCImpIPersist   m_pImpIPersist; //Another interface
  40.         //End CHAPTER6MOD
  42.     public:
  43.         CKoala(LPUNKNOWN, PFNDESTROYED);
  44.         ~CKoala(void);
  46.         BOOL Init(void);
  48.         //Non-delegating object IUnknown
  49.         STDMETHODIMP         QueryInterface(REFIID, PPVOID);
  50.         STDMETHODIMP_(ULONG) AddRef(void);
  51.         STDMETHODIMP_(ULONG) Release(void);
  53.         //CHAPTER6MOD
  54.         STDMETHODIMP_(DWORD) AddConnection(DWORD, DWORD);
  55.         STDMETHODIMP_(DWORD) ReleaseConnection(DWORD, DWORD, BOOL);
  56.         //End CHAPTER6MOD
  57.     };
  59. typedef CKoala *PCKoala;
  62. //CHAPTER6MOD
  64. class CImpIPersist : public IPersist
  65.     {
  66.     protected:
  67.         ULONG           m_cRef;      //Interface reference count
  68.         PCKoala         m_pObj;      //Back pointer to the object
  69.         LPUNKNOWN       m_pUnkOuter; //For delegation
  71.     public:
  72.         CImpIPersist(PCKoala, LPUNKNOWN);
  73.         ~CImpIPersist(void);
  75.         STDMETHODIMP QueryInterface(REFIID, LPVOID *);
  76.         STDMETHODIMP_(ULONG) AddRef(void);
  77.         STDMETHODIMP_(ULONG) Release(void);
  79.         STDMETHODIMP GetClassID(LPCLSID);
  80.     };
  82. //End CHAPTER6MOD
  84. #endif //_KOALA_H_