57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1995.
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//
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// File: ROSTMDIR.HXX
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//
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// Contents:
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//
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// Classes: Declaration for CReadOnlyStreamDirect class
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//
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// Functions:
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//
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// History: 12-21-95 JoeS (Joe Souza) Created
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//
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//----------------------------------------------------------------------------
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class FAR CReadOnlyStreamDirect : public IStream
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{
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public:
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CReadOnlyStreamDirect(CTransData *pCTransData, DWORD grfBindF);
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virtual ~CReadOnlyStreamDirect(void);
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// *** IUnknown methods ***
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STDMETHOD(QueryInterface) (THIS_ REFIID riid, LPVOID FAR* ppvObj);
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STDMETHOD_(ULONG,AddRef) (THIS);
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STDMETHOD_(ULONG,Release) (THIS);
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// *** IStream methods ***
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STDMETHOD(Read) (THIS_ VOID HUGEP *pv, ULONG cb, ULONG FAR *pcbRead);
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STDMETHOD(Write) (THIS_ VOID const HUGEP *pv, ULONG cb,
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ULONG FAR *pcbWritten);
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STDMETHOD(Seek) (THIS_ LARGE_INTEGER dlibMove, DWORD dwOrigin,
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ULARGE_INTEGER FAR *plibNewPosition);
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STDMETHOD(SetSize) (THIS_ ULARGE_INTEGER libNewSize);
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STDMETHOD(CopyTo) (THIS_ LPSTREAM pStm, ULARGE_INTEGER cb,
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ULARGE_INTEGER FAR *pcbRead, ULARGE_INTEGER FAR *pcbWritten);
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STDMETHOD(Commit) (THIS_ DWORD dwCommitFlags);
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STDMETHOD(Revert) (THIS);
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STDMETHOD(LockRegion) (THIS_ ULARGE_INTEGER libOffset,
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ULARGE_INTEGER cb, DWORD dwLockType);
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STDMETHOD(UnlockRegion) (THIS_ ULARGE_INTEGER libOffset,
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ULARGE_INTEGER cb, DWORD dwLockType);
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STDMETHOD(Stat) (THIS_ STATSTG FAR *pStatStg, DWORD grfStatFlag);
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STDMETHOD(Clone) (THIS_ LPSTREAM FAR *ppStm);
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private:
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LPWSTR GetFileName();
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private:
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CRefCount _CRefs;
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CTransData *_pCTransData;
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DWORD _grfBindF;
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};
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