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- // 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
- #define AFX_RFX_OLEDATE 16
- #define AFX_RFX_LPTSTR 17
-
- //////////////////////////////////////////////////////////////////////////////
- // CLongBinary - a Long (generally > 32k in length) Binary object
-
- class CLongBinary : public CObject
- {
- DECLARE_DYNAMIC(CLongBinary)
-
- // Constructors
- public:
- CLongBinary();
-
- // Attributes
- HGLOBAL m_hData;
- DWORD m_dwDataLength;
-
- // Implementation
- public:
- virtual ~CLongBinary();
-
- #ifdef _DEBUG
- virtual void AssertValid() const;
- virtual void Dump(CDumpContext& dc) const;
- #endif //_DEBUG
- };
-
- //////////////////////////////////////////////////////////////////////////////
-
- #endif // __AFXDB__H__
-