I have to widgets one on right side of the main window one on the left side of the main window. When the window is maximized theirs a huge gap between windows instead of adjusting the widget size accordingly. Heres the code for the two widgets. Their put into a frame.

UPDATE: I got it to fill the space by making -expand to 1. The only problem now is the right widget is way to big. I need the right widget to stay at its same width that it was before the main window is maximized.

# Our Main Window
my $mainWindow = new MainWindow;

# Create a frame for our widgets
my $frameMain = $mainWindow -> Frame(
    -relief => 'sunken'
    );

my $scrolledText = $frameMain -> Scrolled(
    'Listbox',
    -scrollbars => 'oe',
    -background => 'white',
    #-foreground => 'black',
    -width => '90',
    -height => '30'
    );
    
$scrolledText -> pack(
    -fill => 'both',
    -expand => '0',
    -side => 'left'
    );


my $scrolledNicks = $frameMain -> Scrolled(
    'Listbox',
    -scrollbars => 'eo',
    -background => 'white',
    #-foreground => 'black',
    -width => '10',
    -height => '30'
    );
    
$scrolledNicks -> pack(
    -expand => '0',
    -fill => 'both',
    -side => 'right'
    );
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