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/*
* Copyright 2009 Huw Davies
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
import "oaidl.idl";
import "ocidl.idl";
import "oledb.idl";
[
object,
pointer_default(unique),
uuid(0c733a8d-2a1c-11ce-ade5-00aa0044773d)
]
interface IDataConvert : IUnknown
{
typedef DWORD DBDATACONVERT;
enum DBDATACONVERTENUM
{
DBDATACONVERT_DEFAULT = 0,
DBDATACONVERT_SETDATABEHAVIOR = 1,
DBDATACONVERT_LENGTHFROMNTS = 2,
DBDATACONVERT_DSTISFIXEDLENGTH = 4,
DBDATACONVERT_DECIMALSCALE = 8
};
[local] HRESULT DataConvert([in] DBTYPE wSrcType,
[in] DBTYPE wDstType,
[in] DBLENGTH cbSrcLength,
[in, out] DBLENGTH *pcbDstLength,
[in] void *pSrc,
[out] void *pDst,
[in] DBLENGTH cbDstMaxLength,
[in] DBSTATUS dbsSrcStatus,
[out] DBSTATUS *pdbsDstStatus,
[in] BYTE bPrecision,
[in] BYTE bScale,
[in] DBDATACONVERT dwFlags);
HRESULT CanConvert([in] DBTYPE wSrcType,
[in] DBTYPE wDstType);
[local] HRESULT GetConversionSize([in] DBTYPE wSrcType,
[in] DBTYPE wDstType,
[in] DBLENGTH *pcbSrcLength,
[out] DBLENGTH *pcbDstLength,
[in, size_is(*pcbSrcLength)] void *pSrc);
};
[
object,
pointer_default(unique),
uuid(0c733a9c-2a1c-11ce-ade5-00aa0044773d)
]
interface IDCInfo : IUnknown
{
typedef DWORD DCINFOTYPE;
enum DCINFOTYPEENUM
{
DCINFOTYPE_VERSION = 1
};
typedef struct tagDCINFO
{
DCINFOTYPE eInfoType;
VARIANT vData;
} DCINFO;
HRESULT GetInfo([in] ULONG cInfo,
[in, size_is(cInfo)] DCINFOTYPE rgeInfoType[],
[out, size_is(cInfo)] DCINFO **prgInfo);
HRESULT SetInfo([in] ULONG cInfo,
[in, size_is(cInfo)] DCINFO prgInfo[]);
};