| 1 | /*
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| 2 | * Copyright 2009 Huw Davies
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| 3 | *
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| 4 | * This library is free software; you can redistribute it and/or
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| 5 | * modify it under the terms of the GNU Lesser General Public
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| 6 | * License as published by the Free Software Foundation; either
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| 7 | * version 2.1 of the License, or (at your option) any later version.
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| 8 | *
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| 9 | * This library is distributed in the hope that it will be useful,
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 12 | * Lesser General Public License for more details.
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| 13 | *
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| 14 | * You should have received a copy of the GNU Lesser General Public
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| 15 | * License along with this library; if not, write to the Free Software
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| 16 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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| 17 | */
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| 18 |
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| 19 | import "oaidl.idl";
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| 20 | import "ocidl.idl";
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| 21 | import "oledb.idl";
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| 22 |
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| 23 | [
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| 24 | object,
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| 25 | pointer_default(unique),
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| 26 | uuid(0c733a8d-2a1c-11ce-ade5-00aa0044773d)
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| 27 | ]
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| 28 | interface IDataConvert : IUnknown
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| 29 | {
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| 30 | typedef DWORD DBDATACONVERT;
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| 31 |
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| 32 | enum DBDATACONVERTENUM
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| 33 | {
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| 34 | DBDATACONVERT_DEFAULT = 0,
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| 35 | DBDATACONVERT_SETDATABEHAVIOR = 1,
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| 36 | DBDATACONVERT_LENGTHFROMNTS = 2,
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| 37 | DBDATACONVERT_DSTISFIXEDLENGTH = 4,
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| 38 | DBDATACONVERT_DECIMALSCALE = 8
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| 39 | };
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| 40 |
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| 41 | [local] HRESULT DataConvert([in] DBTYPE wSrcType,
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| 42 | [in] DBTYPE wDstType,
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| 43 | [in] DBLENGTH cbSrcLength,
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| 44 | [in, out] DBLENGTH *pcbDstLength,
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| 45 | [in] void *pSrc,
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| 46 | [out] void *pDst,
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| 47 | [in] DBLENGTH cbDstMaxLength,
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| 48 | [in] DBSTATUS dbsSrcStatus,
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| 49 | [out] DBSTATUS *pdbsDstStatus,
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| 50 | [in] BYTE bPrecision,
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| 51 | [in] BYTE bScale,
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| 52 | [in] DBDATACONVERT dwFlags);
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| 53 |
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| 54 |
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| 55 | HRESULT CanConvert([in] DBTYPE wSrcType,
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| 56 | [in] DBTYPE wDstType);
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| 57 |
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| 58 |
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| 59 | [local] HRESULT GetConversionSize([in] DBTYPE wSrcType,
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| 60 | [in] DBTYPE wDstType,
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| 61 | [in] DBLENGTH *pcbSrcLength,
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| 62 | [out] DBLENGTH *pcbDstLength,
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| 63 | [in, size_is(*pcbSrcLength)] void *pSrc);
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| 64 | };
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| 65 |
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| 66 | [
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| 67 | object,
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| 68 | pointer_default(unique),
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| 69 | uuid(0c733a9c-2a1c-11ce-ade5-00aa0044773d)
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| 70 | ]
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| 71 | interface IDCInfo : IUnknown
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| 72 | {
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| 73 | typedef DWORD DCINFOTYPE;
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| 74 |
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| 75 | enum DCINFOTYPEENUM
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| 76 | {
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| 77 | DCINFOTYPE_VERSION = 1
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| 78 | };
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| 79 |
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| 80 | typedef struct tagDCINFO
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| 81 | {
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| 82 | DCINFOTYPE eInfoType;
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| 83 | VARIANT vData;
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| 84 | } DCINFO;
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| 85 |
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| 86 | HRESULT GetInfo([in] ULONG cInfo,
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| 87 | [in, size_is(cInfo)] DCINFOTYPE rgeInfoType[],
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| 88 | [out, size_is(cInfo)] DCINFO **prgInfo);
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| 89 |
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| 90 | HRESULT SetInfo([in] ULONG cInfo,
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| 91 | [in, size_is(cInfo)] DCINFO prgInfo[]);
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| 92 | };
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