windows-nt/Source/XPSP1/NT/public/sdk/inc/mfc42/afxdb_.h
2020-09-26 16:20:57 +08:00

77 lines
2.1 KiB
C++

// This is a part of the Microsoft Foundation Classes C++ library.
// Copyright (C) 1992-1998 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Microsoft Foundation Classes Reference and related
// electronic documentation provided with the library.
// See these sources for detailed information regarding the
// Microsoft Foundation Classes product.
// Do not include this file directly (included by AFXDB.H & AFXDAO.H)
#ifndef __AFXDB__H__
#define __AFXDB__H__
//////////////////////////////////////////////////////////////////////////////
// Recordset Field exchange for ODBC & DAO classes (RFX_ and DFX_)
#define AFX_RFX_SHORT_PSEUDO_NULL (0x7EE4)
#define AFX_RFX_INT_PSEUDO_NULL (0x7EE4)
#define AFX_RFX_LONG_PSEUDO_NULL (0x4a4d4120L)
#define AFX_RFX_BYTE_PSEUDO_NULL 255
#define AFX_RFX_SINGLE_PSEUDO_NULL (-9.123e19f)
#define AFX_RFX_DOUBLE_PSEUDO_NULL (-9.123e19)
#define AFX_RFX_BOOL_PSEUDO_NULL 2
#define AFX_RFX_DATE_PSEUDO_NULL CTime(0)
#define AFX_RFX_TIMESTAMP_PSEUDO_NULL 99
#define AFX_RFX_NO_TYPE 0
#define AFX_RFX_BOOL 1
#define AFX_RFX_BYTE 2
#define AFX_RFX_INT 3
#define AFX_RFX_LONG 4
#define AFX_RFX_SINGLE 6
#define AFX_RFX_DOUBLE 7
#define AFX_RFX_DATE 8
#define AFX_RFX_BINARY 9
#define AFX_RFX_TEXT 10
#define AFX_RFX_LONGBINARY 11
#define AFX_RFX_SHORT 12
#define AFX_RFX_CURRENCY 13
#define AFX_RFX_OLEDATETIME 14
#define AFX_RFX_TIMESTAMP 15
#if _MFC_VER >= 0x0600
#define AFX_RFX_OLEDATE 16
#define AFX_RFX_LPTSTR 17
#endif
//////////////////////////////////////////////////////////////////////////////
// CLongBinary - a Long (generally > 32k in length) Binary object
class CLongBinary : public CObject
{
DECLARE_DYNAMIC(CLongBinary)
// Constructors
public:
CLongBinary();
// Attributes
HGLOBAL m_hData;
DWORD_PTR m_dwDataLength;
// Implementation
public:
virtual ~CLongBinary();
#ifdef _DEBUG
virtual void AssertValid() const;
virtual void Dump(CDumpContext& dc) const;
#endif //_DEBUG
};
//////////////////////////////////////////////////////////////////////////////
#endif // __AFXDB__H__