This show how to size and position a Tk top level window. In the sample code the window is 100 x 200 pixels and is positioned 500 pixels from the left edge of the window and 10 pixels down from the top.
use warnings;
use strict;
use Tk;

my $main = MainWindow->new ();

$main->geometry('100x200+500+10');

MainLoop;

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In reply to Position and size Tk top level window by GrandFather

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