50 lines
1000 B
C++
50 lines
1000 B
C++
/*
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* _ S O F . H
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*
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* Stream on file implementation class
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*
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* Copyright 1986-1997 Microsoft Corporation, All Rights Reserved
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*/
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#ifndef __SOF_H_
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#define __SOF_H_
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#include <nonimpl.h>
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// StmOnFile -----------------------------------------------------------------
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//
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class StmOnFile : public CStreamNonImpl
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{
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private:
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HANDLE m_hf;
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public:
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StmOnFile(HANDLE hf) : m_hf(hf) {}
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~StmOnFile() {}
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virtual /* [local] */ HRESULT STDMETHODCALLTYPE Read(
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/* [length_is][size_is][out] */ void __RPC_FAR *,
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/* [in] */ ULONG,
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/* [out] */ ULONG __RPC_FAR *);
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virtual /* [local] */ HRESULT STDMETHODCALLTYPE Write(
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/* [size_is][in] */ const void __RPC_FAR * pb,
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/* [in] */ ULONG cb,
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/* [out] */ ULONG __RPC_FAR * pcb);
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virtual HRESULT STDMETHODCALLTYPE Commit(
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/* [in] */ DWORD)
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{
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// Flush the file to disk
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//
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if (!FlushFileBuffers (m_hf))
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return HRESULT_FROM_WIN32(GetLastError());
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return S_OK;
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}
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};
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#endif // __SOF_H_
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