in reply to Mega Widget Frame

As shown at Tk::mega, you need to add the following to the end of Populate: 
$self->Delegates(Construct => $self->{inner});

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($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,

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In Section Seekers of Perl Wisdom