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fstream.h
Package: shell.rar [view]
Upload User: xhy777
Upload Date: 2007-02-14
Package Size: 24088k
Code Size: 1k
Category:
Windows Kernel
Development Platform:
Visual C++
- #pragma once
- class CFileStream : public IStream
- {
- public:
- // *** IUnknown methods ***
- STDMETHOD(QueryInterface) (THIS_ REFIID riid, void **ppvObj);
- STDMETHOD_(ULONG,AddRef) (THIS);
- STDMETHOD_(ULONG,Release) (THIS);
- // *** IStream methods ***
- STDMETHOD(Read) (THIS_ VOID *pv, ULONG cb, ULONG *pcbRead);
- STDMETHOD(Write) (THIS_ VOID const *pv, ULONG cb, ULONG *pcbWritten);
- STDMETHOD(Seek) (THIS_ LARGE_INTEGER dlibMove, DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition);
- STDMETHOD(SetSize) (THIS_ ULARGE_INTEGER libNewSize);
- STDMETHOD(CopyTo) (THIS_ IStream *pstm, ULARGE_INTEGER cb, ULARGE_INTEGER *pcbRead, ULARGE_INTEGER *pcbWritten);
- STDMETHOD(Commit) (THIS_ DWORD grfCommitFlags);
- STDMETHOD(Revert) (THIS);
- STDMETHOD(LockRegion) (THIS_ ULARGE_INTEGER libOffset, ULARGE_INTEGER cb, DWORD dwLockType);
- STDMETHOD(UnlockRegion) (THIS_ ULARGE_INTEGER libOffset, ULARGE_INTEGER cb, DWORD dwLockType);
- STDMETHOD(Stat) (THIS_ STATSTG *pstatstg, DWORD grfStatFlag);
- STDMETHOD(Clone)(THIS_ IStream **ppstm);
- public:
- CFileStream(HANDLE hf, DWORD grfMode);
- ~CFileStream();
- private:
- LONG cRef; // Reference count
- HANDLE hFile; // the file.
- BOOL fWrite; // TRUE if writing.
- ULONG ib;
- ULONG cbBufLen; // length of buffer if reading
- BYTE ab[4096]; // buffer
- };