#!usr/bin/perl use Tkx; use strict; use warnings; my $crit; my $mw = Tkx::widget->new("."); my @fail_crit = ( '1. Maximum Strain', '2. Maximum Stress', '3. Tsai-Hill', '4. Modified Tsai-Wu', '5. Hoffman', ); my $fail_crit_optmen = $mw -> new_optionmenu(-options=>\@fail_crit, -variable=> \$crit)->g_pack(-side=>'right'); Tkx::MainLoop();