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envi-code/SourceCode/Code2026/tg_shs/inc/dbf/FPTMemoFile.h
T
2026-09-28 15:28:50 +08:00

60 lines
1.1 KiB
C++

#if !defined(_FPTMEMOFILE_H__INCLUDED_)
#define _FPTMEMOFILE_H__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "MemoFile.h"
// CFPTMemoFile - a Memo File
class TDBFUTILITY_IMPEXP CFPTMemoFile : public CMemoFile
{
DECLARE_DYNAMIC(CFPTMemoFile)
// Constructors
public:
CFPTMemoFile();
public:
FPT_HEAD m_FPTHead;
public:
~CFPTMemoFile();
BOOL Open(LPCTSTR lpszName, UINT nOpenFlag);
void Close();
virtual UINT GetMemoFileType();
virtual BOOL ReadMemoRecord(DBF_ULONG lOffsetRec, DBF_LONG& nLen, CTDbfString& strMemo);
virtual BOOL ReadMemoRecord(DBF_ULONG lOffsetRec, DBF_LONG& nLen, unsigned char** pMemoData);
virtual BOOL WriteMemoRecord(DBF_ULONG& lOffsetRec, DBF_LONG& nLen, CTDbfString& strMemo);
#ifdef _DEBUG
virtual void AssertValid() const;
virtual void Dump(CDumpContext& dc) const;
#endif
protected:
BOOL ReadHeader();
BOOL WriteHeader();
private:
DBF_LONG AddMemoRecord(CTDbfString& strMemo);
void UpdateMemoRecord(DBF_ULONG lOffsetRec, CTDbfString& strMemo);
DBF_ULONG m_nNextBlock;
DBF_LONG m_nBlockSize;
};
//{{AFX_INSERT_LOCATION}}
#endif // !defined(_FPTMEMOFILE_H__INCLUDED_)