include/cvttyp.idl

   1 /*
   2  * Copyright (C) 2020 Alistair Leslie-Hughes
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #if 0
  20 #pragma makedep install
  21 #endif
  22
  23 [
  24     object,
  25     uuid(0c733a88-2a1c-11ce-ade5-00aa0044773d),
  26     pointer_default(unique)
  27 ]
  28 interface IConvertType : IUnknown
  29 {
  30     typedef DWORD DBCONVERTFLAGS;
  31
  32     enum DBCONVERTFLAGSENUM
  33     {
  34         DBCONVERTFLAGS_COLUMN    = 0x000,
  35         DBCONVERTFLAGS_PARAMETER = 0x001,
  36     };
  37
  38     enum DBCONVERTFLAGSENUM20
  39     {
  40         DBCONVERTFLAGS_ISLONG        = 0x002,
  41         DBCONVERTFLAGS_ISFIXEDLENGTH = 0x004,
  42         DBCONVERTFLAGS_FROMVARIANT   = 0x008,
  43     };
  44
  45     [local]
  46     HRESULT CanConvert([in] DBTYPE from, [in] DBTYPE to, [in] DBCONVERTFLAGS flags);
  47
  48     [call_as(CanConvert)]
  49     HRESULT RemoteCanConvert([in] DBTYPE from, [in] DBTYPE to, [in] DBCONVERTFLAGS flags, [out] IErrorInfo **error);
  50 }