98 lines
2.4 KiB
C++
98 lines
2.4 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1994.
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//
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// File: filllkb.hxx
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//
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// Contents: CFillLockBytes class header
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//
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// Classes:
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//
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// Functions:
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//
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// History: 28-Dec-95 PhilipLa Created
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//
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//----------------------------------------------------------------------------
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#ifndef __FILLLKB_HXX__
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#define __FILLLKB_HXX__
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#include "ifill.h"
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//+---------------------------------------------------------------------------
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//
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// Class: CFillLockBytes
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//
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// Purpose:
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//
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// Interface:
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//
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// History: 28-Dec-95 PhilipLa Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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class CFillLockBytes: public ILockBytes,
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public IFillLockBytes
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{
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public:
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CFillLockBytes(ILockBytes *pilb);
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~CFillLockBytes();
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SCODE Init(void);
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// IUnknown
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STDMETHOD(QueryInterface)(REFIID iid, void **ppvObj);
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STDMETHOD_(ULONG, AddRef)(void);
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STDMETHOD_(ULONG, Release)(void);
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// ILockBytes
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STDMETHOD(ReadAt)(ULARGE_INTEGER ulOffset,
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VOID HUGEP *pv,
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ULONG cb,
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ULONG *pcbRead);
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STDMETHOD(WriteAt)(ULARGE_INTEGER ulOffset,
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VOID const HUGEP *pv,
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ULONG cb,
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ULONG *pcbWritten);
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STDMETHOD(Flush)(void);
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STDMETHOD(SetSize)(ULARGE_INTEGER cb);
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STDMETHOD(LockRegion)(ULARGE_INTEGER libOffset,
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ULARGE_INTEGER cb,
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DWORD dwLockType);
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STDMETHOD(UnlockRegion)(ULARGE_INTEGER libOffset,
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ULARGE_INTEGER cb,
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DWORD dwLockType);
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STDMETHOD(Stat)(STATSTG *pstatstg, DWORD grfStatFlag);
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//From IFillLockBytes
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STDMETHOD(FillAppend)(void const *pv,
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ULONG cb,
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ULONG *pcbWritten);
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STDMETHOD(FillAt)(ULARGE_INTEGER ulOffset,
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void const *pv,
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ULONG cb,
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ULONG *pcbWritten);
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STDMETHOD(SetFillSize)(ULARGE_INTEGER ulSize);
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STDMETHOD(Terminate)(BOOL bCanceled);
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SCODE GetFailureInfo(ULONG *pulWaterMark, ULONG *pulFailurePoint);
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HANDLE GetNotificationEvent(void);
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SCODE GetTerminationStatus(DWORD *pdwFlags);
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private:
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ILockBytes *_pilb;
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ULONG _ulHighWater;
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DWORD _dwTerminate;
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ULONG _ulFailurePoint;
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HANDLE _hNotifyEvent;
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};
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#endif // #ifndef __FILLLKB_HXX__
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