I had a look at csgrouper.pl, sorry, that is way too much code (7k lines). Here is the idea 
#!/usr/bin/perl --
use strict;
use warnings;
use Tk;
my $mw = tkinit;
my $Section_tblw = $mw->Table(
...
20 lines or less
MainLoop;

[download]

If you can get it down to 20 lines + boilerplate, we might make some progress

In reply to Re^3: Problem in row deletion with Tk::Table by Anonymous Monk
in thread Problem in row deletion with Tk::Table by emilbarton

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