Data Transfer, COM Enums, and Windows Controls

Listing 2 Implemenation of ListExchange_PutItems()

/* /////////////////////////////////////////////////////////////
 * ...
 *
 * Extract from MOCtlFns.c
 *
 * Copyright (C) 1998-2003, Synesis Software Pty Ltd.
 * (Licensed under the Synesis Software Standard Public License:
 *  http://www.synesis.com.au/licenses/ssspl.html)
 *
 * ...
 * ////////////////////////////////////////////////////////// */

SInt32 ListExchange_PutItems( HWND      hwndList, 
                              LPUNKNOWN punkEnumItems,
                              UInt32    flags)
{
  static const IID IID_IEnumBSTR_Synesis  = { . . . };
  static const IID IID_IEnumBSTR_MS       = { . . . };
  static const IID IID_IEnumGUID_Synesis  = { . . . };
  static const IID IID_IEnumGUID_MS       = { . . . };

  static const EnumeratorHandler  enumerators[] = 
  {
      {   &IID_IEnumString,     EnumXXXX_Reset
        , EnumString_NextItem,  EnumString_ClearItem  }
    , { &IID_IEnumBSTR_Synesis, EnumXXXX_Reset
        , EnumBSTR_NextItem,    EnumBSTR_ClearItem    }
    , { &IID_IEnumBSTR_MS,      EnumXXXX_Reset
        , EnumBSTR_NextItem,    EnumBSTR_ClearItem    }
    , { &IID_IEnumVARIANT,      EnumXXXX_Reset
        , EnumVARIANT_NextItem, EnumVARIANT_ClearItem }
    , { &IID_IEnumGUID_Synesis, EnumXXXX_Reset
        , EnumGUID_NextItem,    EnumGUID_ClearItem    }
    , { &IID_IEnumGUID_MS,      EnumXXXX_Reset
        , EnumGUID_NextItem,    EnumGUID_ClearItem    }
    , { &IID_IEnumUnknown,      EnumXXXX_Reset
        , EnumUnknown_NextItem, EnumUnknown_ClearItem }
  };
  static const ControlHandler   controls[] = 
  {
      { "LISTBOX",        ListBox_PutItem,  ListBox_Reset   }
    , { "COMBOBOX",       ComboBox_PutItem, ComboBox_Reset  }
    , { "SysListView32",  ListView_PutItem, ListView_Reset  }
    , { "EDIT",           Edit_PutItem,     Edit_Reset      }
  };

  return ListExchange_PutItems_Base(hwndList, punkEnumItems,
          flags, 0, enumerators, NUM_ELEMENTS(enumerators),
          controls, NUM_ELEMENTS(controls));
}