enum { ID_OPEN_BUTTON = 101,
       ID_FIRST_BUTTON,
       ID_LAST_BUTTON,
       ID_NEXT_BUTTON,
       ID_REPLOT_BUTTON,
       ID_PRINT_BUTTON,
       ID_COMMENT_BUTTON,
                 ID_SHOW_BUTTON,
       ID_SET_BUTTON,
       ID_PRIOR_BUTTON,
       ID_CHANGE_BUTTON,
       ID_INVERT_BUTTON,
       ID_CLIPBOARD_BUTTON,
       ID_PRINTER_BUTTON,
       ID_TEST_BUTTON,
       ID_BIN_BUTTON,
       ID_PLOT_BUTTON,
       ID_PLOTALL_BUTTON,
       ID_PLOTRMDR_BUTTON,

       ID_IMAGE_BUTTON,
       ID_RANGE_BUTTON,

       ID_SHOW_LIST,

       ID_BUSY_DISPLAY,
       ID_STATUS_DISPLAY,

       ID_EDIT_CONTOL
     } ;