USHORT      cColumns = 4;           // # of columns
    PFIELDINFO  pFieldInfoHead;         // --> First field
    PFIELDINFO  pFieldInfo;             // --> Current field
    FIELDINFOINSERT FieldInsertInfo;

    pFieldInfoHead = (PFIELDINFO) PVOIDFROMMR (
                      WinSendMsg (hwndContainer,
                                  CM_ALLOCDETAILFIELDINFO,
                                  MPFROMSHORT (cColumns),
                                  0));

    pFieldInfo = pFieldInfoHead;        // Start at top of list


    //----------------------------------------------------------
    //  Load the field info structures for all columns
    //----------------------------------------------------------

    for (i = 0; i < cColumns; i++)
    {
        pFieldInfo->cb          = sizeof (FIELDINFO);
        pFieldInfo->flData      = // Field attributes
        pFieldInfo->flTitle     = // Title attributes
        pFieldInfo->pTitleData  = // Column title
        pFieldInfo->offStruct   = // Offset of data
        pFieldInfo->pUserData   = NULL;
        pFieldInfo->cxWidth     = 0;

        if this is the last column to the left of the split bar
        {
            SWP     swp;
            WinQueryWindowPos (hwndContainer, &swp);
            cnrinfo.pFieldInfoLast = pFieldInfo;
            cnrinfo.xVertSplitbar  =   // split at 33%
                           (swp.cx * 33) / 100;
            WinSendMsg (hwndContainer, CM_SETCNRINFO,
                        MPFROMP (&cnrinfo),
                        MPFROMLONG (CMA_PFIELDINFOLAST |
                                    CMA_XVERTSPLITBAR));
        }
        pFieldInfo = pFieldInfo->pNextFieldInfo;
    };


    //----------------------------------------------------------
    //  Construct the FIELDINFOINSERT structure that describes
    //  the number of fields to be inserted, where they are to
    //  be inserted, etc.
    //----------------------------------------------------------

    memset (&FieldInsertInfo, 0, sizeof(FIELDINFOINSERT));
    FieldInsertInfo.cb               = sizeof (FIELDINFOINSERT);
    FieldInsertInfo.pFieldInfoOrder  = (PFIELDINFO) CMA_END;
    FieldInsertInfo.cFieldInfoInsert = cColumns;
    FieldInsertInfo.fInvalidateFieldInfo = TRUE;


    //----------------------------------------------------------
    //  Insert the fields
    //----------------------------------------------------------

    WinSendMsg (hwndContainer, CM_INSERTDETAILFIELDINFO,
                MPFROMP (pFieldInfoHead),
                MPFROMP (&FieldInsertInfo));