use Tk; use Tk::Tree; my $mw = MainWindow->new(-title => 'Tree'); my $tree = $mw->Tree->pack(-fill => 'both', -expand => 1); foreach (qw/orange orange.red orange.yellow green green.blue green.yellow purple purple.red purple.blue/) { $tree->add($_, -text => $_); } # Different things to try here $tree->autosetmode(); MainLoop;