65 lines
2 KiB
C
65 lines
2 KiB
C
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#pragma once
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class IRWFile
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{
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protected:
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HANDLE m_hFile;
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public:
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virtual HRESULT InitFile(
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LPCTSTR lpFileName,
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DWORD dwDesiredAccess,
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DWORD dwShareMode,
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LPSECURITY_ATTRIBUTES lpSecurityAttributes,
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DWORD dwCreationDisposition,
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DWORD dwFlagsAndAttributes,
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HANDLE hTemplateFile
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) = 0;
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virtual HRESULT Read(
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LPVOID lpBuffer,
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DWORD nNumberOfBytesToRead,
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LPDWORD lpNumberOfBytesRead,
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LPOVERLAPPED lpOverlapped
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) = 0;
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virtual HRESULT Write(
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LPCVOID lpBuffer,
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DWORD nNumberOfBytesToWrite,
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LPDWORD lpNumberOfBytesWritten,
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LPOVERLAPPED lpOverlapped
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) = 0;
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};
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class CRWFile : public IRWFile
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{
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public:
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CRWFile();
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~CRWFile();
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virtual HRESULT InitFile(
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LPCTSTR lpFileName,
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DWORD dwDesiredAccess,
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DWORD dwShareMode,
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LPSECURITY_ATTRIBUTES lpSecurityAttributes,
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DWORD dwCreationDisposition,
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DWORD dwFlagsAndAttributes,
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HANDLE hTemplateFile
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);
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virtual HRESULT Read(
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LPVOID lpBuffer,
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DWORD nNumberOfBytesToRead,
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LPDWORD lpNumberOfBytesRead,
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LPOVERLAPPED lpOverlapped
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);
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virtual HRESULT Write(
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LPCVOID lpBuffer,
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DWORD nNumberOfBytesToWrite,
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LPDWORD lpNumberOfBytesWritten,
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LPOVERLAPPED lpOverlapped
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);
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};
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