Dear Monks, I am trying to make a listbox with a scroll bar that returns only one value back to the main function. This value will further be used in a different part of the program. 1) My script below is not able to return a value and store it $choice 2) How can I modify this script to allow only one item to be selected. i.e When the user selects one option and hits view, the choice should be returned to the main function and the listbox should exit. Any help would be highly appreciated. Thanks! 
#!/usr/bin/perl
use strict;
use warnings;
use Tk;
my @choices = qw/Apple Ball Cat Dog Elephant Fish Goat House Ink Jug K
+ite/;
my $choice = &myListBox(@choices);
print "Selection is $choice\n";

sub myListBox{
 my $choice;
my @listbox_items = @_;
 my $mw = MainWindow->new;
$mw->title("Listbox");
my $lb = $mw->Scrolled("Listbox", 
       -scrollbars => "osoe",
       -height => 10,
       -width => 30,
       -selectmode => "single");

my $real_lb = $lb->Subwidget('scrolled');
$real_lb->configure(-borderwidth=>0);
$lb->insert("end", @listbox_items);
$lb->pack(-side => "left");


$mw->Button(-text => "Exit",
             -command => sub{exit; })->pack(-side => "bottom");

$mw->Button(-text=>"View", 
             -command => sub {
         $choice=  $lb->get('active');
      my $w = $real_lb->width;
      my $sample = ' ' x 10;
      my $font_len = $lb->fontMeasure('default', $sample );         

     }
    )->pack(-side => "bottom");


$lb->selectionSet('end');
$lb->see('end');
MainLoop;
return $choice;

}

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In reply to Returning a value from a Perl Listbox by Ppeoc

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