The Hlist widget needs to use Tk::ItemStyle instead of tags. It is one of the problems with Tk, that the interface is not totally standard across widgets. Try this:
#!/usr/bin/perl
use warnings;
use strict;
use Tk;
use Tk::HList;
use Tk::ItemStyle;
my $mw = MainWindow->new();
my $green = $mw->ItemStyle(
'text',
-stylename => 'green',
-bg => 'green',
-fg => 'black',
);
$mw->optionAdd("*background", 'red');
$mw->optionAdd("*foreground", 'blue');
my $hlist;
$hlist = $mw->HList(
-itemtype => 'text',
-selectmode => 'single',
)->pack(-fill=>'both',-expand=>1);
$hlist->columnWidth(0, -char, 90);
for (1..1000) {
$hlist->add($_,
-text=>$_);
}
for (my $i = 1 ; $i < 1000 ; $i += 2){
$hlist->entryconfigure( $i, -style => 'green' );
}
MainLoop;
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