60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
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#pragma once
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#ifndef __FILESTRM_H_
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#define __FILESTRM_H_
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/*//////////////////////////////////////////////////////////////////////////////
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//
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// File: filestrm.h
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//
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// Copyright (C) 1999 Microsoft Corporation. All Rights Reserved.
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//
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// @@BEGIN_MSINTERNAL
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//
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// History:
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// -@- (craigp) - created
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// -@- 09/23/99 (mikemarr) - copyright, started history
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//
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// @@END_MSINTERNAL
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//
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//////////////////////////////////////////////////////////////////////////////*/
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#include <objidl.h>
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class CFileStream : public IStream
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{
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public:
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CFileStream(LPCTSTR filename, BOOL bReadOnly, BOOL bTruncate, HRESULT *error);
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~CFileStream();
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// IUnknown methods
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STDMETHODIMP_(ULONG) AddRef(void);
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STDMETHODIMP_(ULONG) Release(void);
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STDMETHODIMP QueryInterface(REFIID, LPVOID FAR*);
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// Implemented IStream methods
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STDMETHODIMP Read(void __RPC_FAR *pv, ULONG cb, ULONG __RPC_FAR *pcbRead);
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STDMETHODIMP Write(const void __RPC_FAR *pv, ULONG cb, ULONG __RPC_FAR *pcbWritten);
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STDMETHODIMP Seek(LARGE_INTEGER dlibMove, DWORD dwOrigin, ULARGE_INTEGER __RPC_FAR *plibNewPosition);
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STDMETHODIMP Stat(STATSTG __RPC_FAR *pstatstg, DWORD grfStatFlag);
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// Unimplemented IStream methods
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STDMETHODIMP SetSize(ULARGE_INTEGER libNewSize) {return E_NOTIMPL;}
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STDMETHODIMP CopyTo(IStream __RPC_FAR *pstm, ULARGE_INTEGER cb, ULARGE_INTEGER __RPC_FAR *pcbRead, ULARGE_INTEGER __RPC_FAR *pcbWritten) {return E_NOTIMPL;}
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STDMETHODIMP Commit(DWORD grfCommitFlags) {return E_NOTIMPL;}
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STDMETHODIMP Revert(void) {return E_NOTIMPL;}
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STDMETHODIMP LockRegion(ULARGE_INTEGER libOffset, ULARGE_INTEGER cb, DWORD dwLockType) {return E_NOTIMPL;}
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STDMETHODIMP UnlockRegion(ULARGE_INTEGER libOffset, ULARGE_INTEGER cb, DWORD dwLockType) {return E_NOTIMPL;}
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STDMETHODIMP Clone(IStream __RPC_FAR *__RPC_FAR *ppstm) {return E_NOTIMPL;}
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private:
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DWORD m_cRef;
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HANDLE m_hfile;
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};
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#endif // #ifndef __FILESTRM_H_
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