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Radio buttons are used to represent mutually exclusive choices.



The convention is to enclose the radio buttons in a group box.

The ButtonChecked property of the radio button indicates whether it is checked. By default the buttons are not checked. The following code issues a message telling which one of two radio buttons has been checked:

 
EVTROUTINE    EVTROUTINE HANDLING(#PHBN_1.Click)
If      If cond('#rdbn_1.ButtonChecked *EQ true ')
               use builtin(message_box_show) with_args(OK OK Information 'Radio Button'
                                       'Radio button 1 has been selected')
else
          else
          use builtin(message_box_show) with_args(OK OK Information 'Radio Button'
                                      'Radio button 2 has been selected')
endif 
ENDROUTINE       endif 
     ENDROUTINE

A field can be visualized as a set of radio buttons.