From: PWR Date: 2005-09-30T00:41:44+09:00 Subject: Re: Win32API question Thanks for the reply. I have had a go with the Win32Serial library but I appeared to lose characters when trying to get fast comms working in both directions. I think that this may be due to it not using overlapped comms - I'd be interested to know if you have tried it with continuous data at a fast baud rate.