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#!/usr/local/bin/perl
use Tk;
use Tk::TiedListbox;
my $top = MainWindow->new;
my $f = $top->Frame->pack(-expand => 'yes', -fill => 'both');
my $l1 = $f->ScrlListbox(-relief => 'flat',
-exportselection => 0,
-selectmode => 'extended',-height => 20);
my $l2 = $f->ScrlListbox(-relief => 'flat',
-exportselection => 0,
-selectmode => 'extended',-height => 10);
my $l3 = $f->ScrlListbox(-relief => 'flat',
-exportselection => 0,
-selectmode => 'extended',-height => 20,
# -font => 'clb6x10'
);
my $bv1,$bv2;
my $b1 = $f->Checkbutton(-text => 'tie selection',
-variable => \$bv1,
-command => [\&set_tie,\$bv1,\$bv2]);
my $b2 = $f->Checkbutton(-text => 'tie scroll',
-variable => \$bv2,
-command => [\&set_tie,\$bv1,\$bv2]);
$b1->pack(-side => bottom);
$b2->pack(-side => bottom);
$l1->pack(-expand => 'yes', -side => 'left');
$l2->pack(-expand => 'yes', -side => 'left');
$l3->pack(-expand => 'yes', -side => 'left');
my $id;
foreach $id (0..300){
$l1->insert('end', $id) if $id<100;
$l2->insert('end', $id);
$l3->insert('end', $id);
}
$b1->invoke;
$b2->invoke;
MainLoop();
sub set_tie {
my($b1,$b2)=@_;
my($x1,$x2,$x3)=map($_->Subwidget('scrolled'),$l1,$l2,$l3);
$x1->tie('all', [$x2,$x3]),return if($$b1 && $$b2);
$x1->tie('selection',[$x2,$x3]),return if($$b1);
$x1->tie('scroll', [$x2,$x3]),return if($$b2);
$x1->untie,$x2->untie,$x3->untie;
}
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