in reply to Debugging Tk empty Toplevel window

#!/usr/bin/perl --
use strict;
use warnings;
use Tk qw/ tkinit /;
my $mw = tkinit( -title, -mw );
my $dyna = $mw->DynaTabFrame()->pack(
    -side => 'top',
    -expand => 1,
    -fill => 'both'
);
$dyna->add(
    'test' . $_,
    -label => 'test' . $_ 
)
    for 1 .. 2 + rand 10;
$mw->Button(
    -text, 'packForget', 
    -command, [ \&fuhget, $mw, ], 
)->pack;
$mw->MainLoop;
exit( 0 );
sub fuhget {
    $_->packForget for shift( @_ )->children;
}

[download]

Replies are listed 'Best First'.
Re^2: Debugging Tk empty Toplevel window (packForget)
by boleary (Scribe) on May 27, 2019 at 12:57 UTC

    Thanks for the code
    I ran with several random numbers of tabs and never saw the failure at startup
    It is interesting that the "Empty TopLevel Window" I describe is what remains
    after I use your packForget button

[reply]
      packForget is the only way I know to get empty toplevel :)
[reply]

In Section Seekers of Perl Wisdom