Well you have a problem with your putting undef in quotes, like = 'undef'. You could switch to total textvariables in the label, and set them to '' instead of undef. That way, they will display as "no width' in the label, unless they have a value.
#!/usr/bin/perl use warnings; use strict; use Tk; my @VehicleProgram = ( 'AA', 'BB' ); my @CrashMode = ( '12', '13' ); my @Drive = ( 'lhd', 'rhd' ); my @Side = ( 'Driver', 'Passanger' ); my @Dummy = ( '50', '95', '5' ); my @Load = ( 'AA_121', 'AA_13', 'BB_12', 'CC_12', 'AA_122' ) +; my @LoadArrayRef = @Load; my $Program = ''; my $CrashMode = ''; my $Drive = ''; my $Side = ''; my $dummy = ''; my $Load = ''; my $Error = 'no'; my $font2 = '-adobe-courier-medium-r-normal--16-100-100-100-m-90-iso88 +59-2'; my $sw4; my $comment; my $mw = MainWindow->new; my $toplevel = $mw->toplevel; my $menubar = $toplevel->Menu( -type => 'menubar' )->pack; my $w1 = $menubar->cascade( -label => 'Program', -tearoff => 0 ); my $w2 = $menubar->cascade( -label => 'Crash Mode', -tearoff => 0 ); my $w3 = $menubar->cascade( -label => 'Drive', -tearoff => 0 ); my $w4 = $menubar->cascade( -label => 'Side', -tearoff => 0 ); my $w5 = $menubar->cascade( -label => 'Dummy', -tearoff => 0 ); my $w6 = $menubar->cascade( -label => 'Load', -tearoff => 0 ); my $w11 = $menubar->Button( -label => 'CreateRun', -command => \&CreateRun, -state => 'disabled' ); $menubar->Button( -label => 'Exit', -command => sub { exit } ); my $sw3 = $mw->Frame( -relief => 'ridge', -bd => 2, -height => '40' )->pack( -side => 'top', -anchor => 'w', -expand => 0, -fill => 'both' ); my $cm1 = $sw3->Label( -text => " Comment: ", -font => "$font2" )->pack( -side => 'left', -anchor => 'w' ); my $cm2 = $sw3->Entry( -textvariable => \$comment, -background => "white", -foreground => "black", -relief => 'ridge', -font => "$font2" )->pack( -side => 'left', -anchor => 'w' ); foreach my $i ( @VehicleProgram ) { $w1->radiobutton( -label => "$i", -command => \&set_bg, -variable => \$Program, -font => "$font2", -value => "$i" ); } foreach my $i ( @CrashMode ) { $w2->radiobutton( -label => "$i", -command => \&set_bg, -variable => \$CrashMode, -font => "$font2", -value => "$i" ); } foreach my $i ( @Drive ) { $w3->radiobutton( -label => "$i", -command => \&set_bg, -variable => \$Drive, -font => "$font2", -value => "$i" ); } foreach my $i ( @Side ) { $w4->radiobutton( -label => "$i", -command => \&set_bg, -variable => \$Side, -font => "$font2", -value => "$i" ); } foreach my $i ( @Dummy ) { $w5->radiobutton( -label => "$i", -command => \&set_bg, -variable => \$dummy, -font => "$font2", -value => "$i" ); } foreach my $i ( @LoadArrayRef ) { $w6->radiobutton( -label => "$i", -command => \&set_bg, -variable => \$Load, -font => "$font2", -value => "$i" ); } MainLoop; sub set_bg { $sw4->destroy if Exists( $sw4 ); $sw4 = $mw->Frame( -relief => 'ridge', -bd => 2, -height => '40' )->pack( -side => 'top', -anchor => 'w', -expand => 0, -fill => 'both' ); $sw4->Label( -textvariable => \$Program, -font => $font2 )->pack( -side => 'left', -anchor => 'w' ); $sw4->Label( -textvariable => \$CrashMode, -font => "$font2" )->pack( -side => 'left', -anchor => 'w' ); $sw4->Label( -textvariable => \$Drive, -font => "$font2" )->pack( -side => 'left', -anchor => 'w' ); $sw4->Label( -textvariable => \$Side, -font => "$font2" )->pack( -side => 'left', -anchor => 'w' ); $sw4->Label( -textvariable => \$dummy, -font => "$font2" )->pack( -side => 'left', -anchor => 'w' ); $sw4->Label( -textvariable => \$Load, -font => "$font2" )->pack( -side => 'left', -anchor => 'w' ); $w11->configure( -state => 'active' ) if ( $Program ne 'undef' and $CrashMode ne 'undef' and $Drive ne 'undef' and $Side ne 'undef' and $dummy ne 'undef' and $Load ne 'undef' ); @LoadArrayRef = @Load; UpdateLoadArray(); } sub UpdateLoadArray { my ( @new ); print "@LoadArrayRef\n\n"; foreach ( @LoadArrayRef ) { if ( $_ !~ /$Program/ ) { next } if ( $_ !~ /$CrashMode/ ) { next } print "$_\n"; push( @new, $_ ); } @LoadArrayRef = @new; print "-----\n"; print "new-> @new\n"; print "Program:$Program CrashMode:$CrashMode\n"; # update label thru textvariable $Load = join ' ', @new; foreach ( @LoadArrayRef ) { print "$_\n" } print "-----\n"; } sub CreateRun { }

I'm not really a human, but I play one on earth My Petition to the Great Cosmic Conciousness

In reply to Re^3: PerlTK: update radiobutton content on code execution by zentara
in thread PerlTK: update radiobutton content on code execution by cemmec

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