Yes it's very strange.
What version do you use (5.005, 5.6, 5.8) ?
Do you have a small sample with this problem ?
What is you child window ? (button, ...)
I made some test and don't reproduce your problem.
----- Original Message -----
From: Jez White
To: guihackers
Sent: Tuesday, March 23, 2004 5:58 PM
Subject: [perl-win32-gui-hackers] Odd problem with 671

I'm having a *really* strange problem with the binary version of 671.  Basically, some of my child windows (window within a window) aren't receiving any events (!?). However, if I build 671 with ming, then the windows receive the events...