bind callbacks with arguments

Sorry to beat this to death, but I do have a solution to resizing 
widgets by using GeometryRequest. Right now a fundamental problem has 
cropped up with the callback in the bind definition.  For some reason 
when I shift the parameters to the variable $parm, $parm becomes the 
HASH for the actual Text widget and not the value 0 or 1 as I believe I 
have defined it.  Please run this scripts and double click one of the 
text widgets and review the print output.  I really dont know how this 
is possible.  


#Script
use strict;
use warnings;
use Tk;
use Tk::Adjuster;

my $mw = MainWindow->new(-title => "Adjuster example");

my $frame1=$mw->Frame();
$frame1->pack();

my $topw = $frame1->pack(-side => 'top', -fill => 'x');
my $botw = $frame1->pack(-side => 'bottom', -fill => 'both', -expand => 
1);

my $tw = $topw->Scrolled('Text', -scrollbars => 'osoe', -height => 10)-
>pack(-expand => 1, -fill => 'both');
my $adj1 = $mw->Adjuster();
$adj1->packAfter($tw, -side => 'top');
my $bw = $botw->Scrolled('Text', -scrollbars => 'osoe', -height => 10)-
>pack(-expand => 1, -fill => 'both');

#here value of 0 or 1 is passed when doubleclicking the Text widget
$tw->bind('<Double-Button-1>', [ \&resize, 0 ]);
$bw->bind('<Double-Button-1>', [ \&resize, 1 ]);

MainLoop();

sub resize () {
        my $parm=shift;

        #after double-clicking either Text widget for some reason $parm 
is a HASH pointing to the widget and not 
        #a value of 0 or 1 ???
        print "PARM: $parm\n";
}
#
#Output is as follows (clicked both widgets)
#PARM: Tk::Text=HASH(0x315ddbc)
#PARM: Tk::Text=HASH(0x32c3964)
-++**==--++**==--++**==--++**==--++**==--++**==--++**==
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