#!/usr/bin/perl
use Tk;

my $mw = MainWindow->new;

my $rb = 'first button';
my $rb1 = $mw->Radiobutton(-text => "Button One",
                            -value => 'button1',
                            -variable => \$rb,
                            -command => [ \&showRB, \$rb ])->pack;
my $rb2 = $mw->Radiobutton(-text => "Button Two",
                            -value => 'button2',
                            -variable => \$rb,
			    -command => [ \&showRB, \$rb ])->pack;
                            
MainLoop;

sub showRB
{
     print "Arg list is @_\n";
     my $state_ref = shift;
     my $state = $$state_ref;
     
     $mw->messageBox(-title => 'Status',
                     -type  => 'OK',
                     -message  => "Status is :$state:.");

}