http://www.perlmonks.org?node_id=1014676


in reply to Re^3: Perl/Tk window contents disappear when obscured then revealed
in thread Perl/Tk window contents disappear when obscured then revealed

That was the point of the script. It still misses the $mw->update inside the for loop.
لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ