>Thanks again. I certainly will look into this. Do you have any suggested reading materials? I sure could use some.

www.eps-software.com's CoDe magazine had an article by Markus Egger, it must have been either the 1st or 2nd issue. Speaking of which, in the latest CoDe, Rick Strahl wrote something about async messages. I think that used a file based trigger, might be worth a look.