Your suggested code did not work
$toplevel->protocol('WM_DELETE_WINDOW', q());

but this did 
$mw->protocol(WM_DELETE_WINDOW => sub { $mw->raise } );

[download]

I appreciate the reply and help!! The MW can still be pushed to the background.

In reply to Re^2: Make top level window unclosable Perl tk by amboxer21
in thread Make top level window unclosable Perl tk by amboxer21

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