Hello all, I've got a random issue, that I'm having a hell of a time tracking down and am hoping someone can help or give a suggestion. The MListbox seems to work fine till it will randomly stop displaying results and I get the following error. Can't use string ("") as a subroutine ref while "strict refs" in use at /usr/lib/perl5/vendor_perl/5.8.8/Tk/MListbox.pm line 700. I've checked my returned results and nothing changes or is strange. Here is the section of code that is having issues. UPDATE: Upon further looking, a variable in the MListbox.pm becomes undef. Which I'm not sure how that's happening. Maybe someone who understands it more than I will know? The second section of code is taken from MListbox.pm. $code becomes undef. 


my $searchRes = $top->DialogBox(-title => 'Search Results',
                                        -buttons => ['OK', 'Cancel'],)
+;
my @dispRes = qw(ID FirstName LastName);

my $ml = $searchRes->Scrolled(
                qw/MListbox -selectmode single -scrollbars oe -font sm
+all /
                )->pack(-expand => 1, -fill => 'both');

foreach my $colHdrs (@dispRes){
                   $ml->columnInsert('end',-text=>$colHdrs);
                   }


foreach (@dispRes){
                push @row, $hash{$_};
              }

              $ml->insert('end', \@row);
            
            
            $ml->see('end'); <-- Error get's thrown here
            print Dumper($ml->getRow('end'));
            $ml->update;
            my $answer = $searchRes->Show();

[download]

sub _selectionUpdate {
    my ($w, $code, $l, @args) = @_;
    ;
    if (@args) {
        foreach (@{$w->{'_columns'}}) {
            &$code($_->Subwidget("listbox"), @args);
        }
    } else {
        &$code($w->{'_columns'}->[0]->Subwidget("listbox"));
    }
}

[download]

In reply to TK MListbox random issue by lightspd

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