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Leaked source code of windows server 2003
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windows-server-2003/inetcore/datacab/viaduct/msr2c/notifier.h

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commiting as it is
4 years ago
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  1. //---------------------------------------------------------------------------
  2. // Notifier.h : CVDNotifier header file
  3. //
  4. // Copyright (c) 1996 Microsoft Corporation, All Rights Reserved
  5. // Developed by Sheridan Software Systems, Inc.
  6. //---------------------------------------------------------------------------
  9. #ifndef __CVDNOTIFIER__
  10. #define __CVDNOTIFIER__
  13. class CVDNotifier : public IUnknown
  14. {
  15. protected:
  16. // Construction/Destruction
  17. CVDNotifier();
  18. virtual ~CVDNotifier();
  20. protected:
  21. // Data members
  22. DWORD m_dwRefCount; // reference count
  23. CVDNotifier * m_pParent; // pointer to CVDNotifier derived parent
  24. CPtrArray m_Children; // pointer array of CVDNotifier derived children
  26. public:
  27. //=--------------------------------------------------------------------------=
  28. // IUnknown methods implemented
  29. //
  30. STDMETHOD(QueryInterface)(REFIID riid, void **ppvObjOut);
  31. STDMETHOD_(ULONG, AddRef)(void);
  32. STDMETHOD_(ULONG, Release)(void);
  34. HRESULT JoinFamily (CVDNotifier* pParent);
  35. HRESULT LeaveFamily();
  37. CVDNotifier* GetParent () const { return m_pParent; }
  39. virtual HRESULT NotifyBefore(DWORD, ULONG, CURSOR_DBNOTIFYREASON[]);
  40. virtual HRESULT NotifyAfter (DWORD, ULONG, CURSOR_DBNOTIFYREASON[]);
  41. virtual HRESULT NotifyFail (DWORD, ULONG, CURSOR_DBNOTIFYREASON[]);
  43. protected:
  44. // helper functions
  45. HRESULT AddChild (CVDNotifier* pChild);
  46. HRESULT DeleteChild(CVDNotifier* pChild);
  48. virtual HRESULT NotifyOKToDo (DWORD, ULONG, CURSOR_DBNOTIFYREASON[]);
  49. virtual HRESULT NotifySyncBefore(DWORD, ULONG, CURSOR_DBNOTIFYREASON[]);
  50. virtual HRESULT NotifyAboutToDo (DWORD, ULONG, CURSOR_DBNOTIFYREASON[]);
  51. virtual HRESULT NotifySyncAfter (DWORD, ULONG, CURSOR_DBNOTIFYREASON[]);
  52. virtual HRESULT NotifyDidEvent (DWORD, ULONG, CURSOR_DBNOTIFYREASON[]);
  53. virtual HRESULT NotifyCancel (DWORD, ULONG, CURSOR_DBNOTIFYREASON[]);
  54. };
  57. #endif //__CVDNOTIFIER__