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; #### $tree->itemConfigure('orange.red', 0, -foreground => 'blue'); #### Bad option `-foreground' at C:/Strawberry/perl/site/lib/Tk.pm line 251. #### $tree->itemConfigure('orange.red', 1, -foreground => 'blue'); #### Column "1" does not exist at C:/Strawberry/perl/site/lib/Tk.pm line 251. #### $tree->itemConfigure('orange.red', 0, -fill => 'blue'); #### Bad option `-fill' at C:/Strawberry/perl/site/lib/Tk.pm line 251.