include/colinf.idl

/*
 * Copyright (C) 2016 Alistair Leslie-Hughes
 *
 * 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
 */

#if 0
#pragma makedep install
#endif

[
    object,
    uuid(0c733a11-2a1c-11ce-ade5-00aa0044773d),
    pointer_default(unique)
]
interface IColumnsInfo : IUnknown
{
    [local]
    HRESULT GetColumnInfo(
        [in, out] DBORDINAL *columns,
        [out, size_is(,(ULONG)*columns)] DBCOLUMNINFO **colinfo,
        [out] OLECHAR **stringsbuffer);

    [call_as(GetColumnInfo)]
    HRESULT RemoteGetColumnInfo([in, out] DBORDINAL *columns,
        [out, size_is(,(ULONG)*columns)] DBCOLUMNINFO **colinfo,
        [out, size_is(,(ULONG)*columns)] DBBYTEOFFSET **name_offsets,
        [out, size_is(,(ULONG)*columns)] DBBYTEOFFSET **columnid_offsets,
        [in, out] DBLENGTH *string_len,
        [in, out, unique, size_is(,(ULONG)*string_len)] OLECHAR **stringsbuffer,
        [out] IErrorInfo **errorinfo);

    [local]
    HRESULT MapColumnIDs(
        [in] DBORDINAL column_ids,
        [in, size_is((ULONG)column_ids)] const DBID *dbids,
        [out, size_is((ULONG)column_ids)] DBORDINAL *columns);

    [call_as(MapColumnIDs)]
    HRESULT RemoteMapColumnIDs(
        [in] DBORDINAL column_ids,
        [in, size_is((ULONG)column_ids)] const DBID *dbids,
        [out, size_is((ULONG)column_ids)] DBORDINAL *columns,
        [out] IErrorInfo **errorinfo);
}