>>
>>No. The DLL will not allow UI.
>
>I didn't think it would, and I wasn't even thinking about the UI part. I just didn't think it was going to allow you to "spawn off" a process to do the serial port monitoring and do anything else at the same time.
Actually, if you have two processes doing different things, and neither required UI, you could probably do this.
Craig Berntson
MCSD, Microsoft .Net MVP, Grape City Community Influencer