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