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/************************************************************************
** D A O G E T R W . H *** *** GetRows interface *** *** Warning: This file is copied from cdaost.h. Changes must be made *** in both files *** *** **************************************************************************** Copyright (C) 1996 by Microsoft Corporation *** All Rights Reserved *************************************************************************/
#if !defined (_DAOGETRW_H_)
#define _DAOGETRW_H_
/*
Enumerations*/typedef enum { DAOCOLKIND_IND = 0, DAOCOLKIND_STR, DAOCOLKIND_WSTR } DAOCOLKIND;
typedef enum { DAO_I2 = 0, DAO_I4, DAO_R4, DAO_R8, DAO_CURRENCY, DAO_DATE, DAO_BOOL, DAO_BSTR, DAO_LPSTR, DAO_LPWSTR, DAO_BLOB, DAO_BYTES, DAO_CHAR, DAO_WCHAR, DAO_ANYVARIANT, DAO_BOOKMARK, DAO_BYTE, DAO_GUID, DAO_DATATYPEMAX } DAODATATYPE;
/*
Macros*/#define DAO_NOINDICATOR 0xffffffff
#define DAO_NULL 0xffffffff
#define DAO_CANTCOERCE 0xfffffffc
#define DAO_NOMAXLENGTH 0x00000000
#define DAOROWFETCH_CALLEEALLOCATES 0x00000001
#define DAOROWFETCH_DONTADVANCE 0x00000002
#define DAOROWFETCH_FORCEREFRESH 0x00000004
#define DAOROWFETCH_BINDABSOLUTE 0x00000008
#define DAOROWFETCH_ODBCNEXT 0x00000010
#define DAOBINDING_DIRECT 0x00000001
#define DAOBINDING_VARIANT 0x00000002
#define DAOBINDING_CALLBACK 0x00000004
/*
Structures*/typedef struct { DWORD dwKind; union { LONG ind; LPCSTR lpstr; LPCWSTR lpwstr; }; } DAOCOLUMNID;typedef DAOCOLUMNID *LPDAOCOLUMNID;
// Callback for binding
EXTERN_C typedef HRESULT (STDAPICALLTYPE *LPDAOBINDFUNC)(ULONG cb, DWORD dwUser, LPVOID *ppData);#define DAOBINDINGFUNC(f) STDAPI f (ULONG cb, DWORD dwUser, LPVOID *ppData)
typedef struct { DAOCOLUMNID columnID; ULONG cbDataOffset; ULONG cbMaxLen; ULONG cbInfoOffset; DWORD dwBinding; DWORD dwDataType; DWORD dwUser; } DAOCOLUMNBINDING;typedef DAOCOLUMNBINDING *LPDAOCOLUMNBINDING;
typedef struct { ULONG cRowsRequested; DWORD dwFlags; LPVOID pData; LPVOID pVarData; ULONG cbVarData; ULONG cRowsReturned; } DAOFETCHROWS;typedef DAOFETCHROWS *LPDAOFETCHROWS;
/*
New Errors
**NOTE: OLE standard ids to be determined.*/#define S_BUFFERTOOSMALL MAKE_SCODE(SEVERITY_SUCCESS, FACILITY_ITF, 0x1000)
#define S_ENDOFCURSOR MAKE_SCODE(SEVERITY_SUCCESS, FACILITY_ITF, 0x1001)
#define S_SILENTCANCEL MAKE_SCODE(SEVERITY_SUCCESS, FACILITY_ITF, 0x1002)
#define S_RECORDDELETED MAKE_SCODE(SEVERITY_SUCCESS, FACILITY_ITF, 0x1003)
#define E_ROWTOOSHORT MAKE_SCODE(SEVERITY_ERROR, FACILITY_ITF, 0x1000)
#define E_BADBINDINFO MAKE_SCODE(SEVERITY_ERROR, FACILITY_ITF, 0x1001)
#define E_COLUMNUNAVAILABLE MAKE_SCODE(SEVERITY_ERROR, FACILITY_ITF, 0x1002)
/*
Interfaces*/#undef INTERFACE
#define INTERFACE ICDAORecordset
DECLARE_INTERFACE_(ICDAORecordset, IDispatch) { STDMETHOD(GetRows) (THIS_ LONG cRowsToSkip, LONG cCol, LPDAOCOLUMNBINDING prgBndCol, ULONG cbRowLen, LPDAOFETCHROWS pFetchRows) PURE; STDMETHOD(SetNotify) (THIS_ REFIID riid, BOOL fNotify); STDMETHOD(GetNotify) (THIS_ REFIID riid, BOOL *fNotify); STDMETHOD(OnBeforeNotify) (THIS_ REFIID riid, DWORD cat, DWORD rsn, VARIANT v1, VARIANT v2); STDMETHOD(OnAfterNotify) (THIS_ REFIID riid, DWORD cat, DWORD rsn, VARIANT v1, VARIANT v2, HRESULT hr); STDMETHOD(PutLock) (THIS_ BOOL f); STDMETHOD(GetLock) (THIS_ BOOL *f); STDMETHOD(AddGetRowsErr) (THIS_ HRESULT hr) PURE; };
//Get rows errors
#define errVtoFetchBuffTooSmall -30028 //3640 The fetch buffer was too small for the amount of data you requested.
#define errVtoEOFDuringFetch -30029 //3641 There are fewer records remaining in the recordset than you requested.
#define errVtoSilentCancel -30030 //3642 A cancel was performed on the operation.
#define errVtoRecordDeleted -30031 //3643 One of the records in the recordset was deleted by another process.
#define errVtoRowLenTooSmall -30032 //3646 The specified row length is shorter than the sum of the column lengths.
#define errVtoBadBindInfo -30033 //3645 One of the binding parameters is incorrect.
#define errVtoColumnMissing -30034 //3647 A column requested is not being returned to the recordset.
#endif // _DAOGETRW_H_
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