📄 fig21_07.pl
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#!/usr/bin/perl
# Fig 21.7: fig21_07.pl
# A simple Perl/Tk program.
use warnings;
use strict;
use Tk;
my $main = new MainWindow();
my $label = $main->Label();
my $button = $main->Button();
$label->configure( -text => 'Look at me!' );
$button->configure( -text => 'Exit', -command => \&destroy );
$label->pack();
$button->pack();
MainLoop();
sub destroy
{
$main->destroy();
}
###########################################################################
# (C) Copyright 2001 by Deitel & Associates, Inc. and Prentice Hall. #
# All Rights Reserved. #
# #
# DISCLAIMER: The authors and publisher of this book have used their #
# best efforts in preparing the book. These efforts include the #
# development, research, and testing of the theories and programs #
# to determine their effectiveness. The authors and publisher make #
# no warranty of any kind, expressed or implied, with regard to these #
# programs or to the documentation contained in these books. The authors #
# and publisher shall not be liable in any event for incidental or #
# consequential damages in connection with, or arising out of, the #
# furnishing, performance, or use of these programs. #
###########################################################################
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