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49 lines
971 B
C++

#pragma once
//////////////////////////////////////////////////////////////////////////////
//文件 DFile.h
//主要功能:
// 双狐文件读取基类
//程序编写:周国强 2010-4-07
/////////////////////////////////////////////////////////////////////////////
class CDFile
{
public:
CDFile(void);
virtual ~CDFile(void);
virtual void Close(void);
virtual UINT Read(void* lpBuf, UINT nCount);
virtual void Write(const void* lpBuf, UINT nCount);
virtual ULONGLONG Seek(LONGLONG lOff, UINT nFrom);
virtual ULONGLONG GetPosition();
virtual ULONGLONG GetLength();
};
//操作CFile类
class CDFileEx
{
public:
CDFileEx(void);
CDFileEx(CFile* pFile);
CDFileEx(CStdioFile* pFile);
virtual ~CDFileEx(void);
virtual void Close(void);
virtual UINT Read(void* lpBuf, UINT nCount);
virtual void Write(const void* lpBuf, UINT nCount);
virtual ULONGLONG Seek(LONGLONG lOff, UINT nFrom);
virtual ULONGLONG GetPosition();
virtual ULONGLONG GetLength();
CFile* m_pFile;
};