Try to make an example
#!/usr/bin/perl -w
use Curses::UI;
my $cui = new Curses::UI;
my $win = $cui->add('window_id', 'Window');
my $listbox = $win->add(
'mylistbox', 'Listbox',
-values => [1, 2, 3],
-labels => { 1 => 'One',
2 => 'Two',
3 => 'Three' },
-radio => 1,
);
$listbox->focus();...