in reply to Re: Re: Does this Tk program require a thread?
in thread Does this Tk program require a thread?

And, in case you haven't already looked it up, WaitForChange() accepts a millisecond time-out parameter. So, you can call $changed = $clip->WaitForChange(1); to get a "non-blocking" wait.

bbfu
Black flowers blossom
Fearless on my breath

In Section Seekers of Perl Wisdom