use Tk; use strict; Main( @ARGV ); exit( 0 ); sub Main { my $mw = MainWindow->new; $mw->geometry( "100x100" ); $mw->title( "MAIN WINDOW" ); my $button_frame12 = $mw->Frame()->pack( -side => "top", -pady => 10 ); $button_frame12->Button( -text => "HELP", -command => \&window12)->pack(-side => 'bottom'); MainLoop; }