Your hexa hwnd is not the good one :)
Here your script with a little update

Have a nice day :)
use Tk;
use Tk::Balloon;
use Win32::API;
use vars qw/$Button/;

my $mw = new MainWindow;
$id_mw = $mw->id;

$mw->Frame(-width=>200, height =>25);
$mw->update;
Win32::API->new("user32","SetWindowPos",
[qw(N N N N N N N)],'N')->Call(hex($id_mw),-1,0,0,0,0,3);

$Button=$mw->Button(-text => "Button",
                    -command => sub {
                   &do_something;
                 })->pack();

my $balloon = $mw -> Balloon(-balloonposition => 'mouse',
-initwait => 10, -bg => 'white');
$balloon -> attach($Button, -balloonmsg => "Button");


MainLoop;
sub do_something {
    #sleep(10);
}

[download]

In reply to Re: Tk - always on top property 2 by didier
in thread Tk - always on top property 2 by nubb

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