Destroy the main window: 

use strict;
use warnings;

use Tk;
my $mw = MainWindow->new;
$mw->Button (-text => "Hello World!", -command => sub {$mw->destroy()}
+)->pack;
MainLoop;

print "done with the GUI\n";

[download]

Prints:

done with the GUI

[download]
DWIM is Perl's answer to Gödel

In reply to Re: Perl Tk-How to return from 'MainLoop' by GrandFather
in thread Perl Tk-How to return from 'MainLoop' by herby1620

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