use strict; use warnings; use Prima qw(Application Edit Buttons); my $window = new Prima::MainWindow( size => [ 250, 350] ); my $display_field = $window->insert( Edit => size => [ 200, 300], text => '', centered => 1, ); my $butoon = $window->insert( Button => size => [ 50, 20], text => 'Click', place => { x => 120, y => 340 }, onClick => \&button_Click, ); sub button_Click { for (1..5) { $display_field->insert_text("$_\n\n"); } } run Prima;