On Tuesday 23 Sep 2003 4:06 pm, you wrote: > >This still confuses me after more than 20 years in this field. > >I think of it this way. In an event driven system, the event > >being processed is the foreground routine. Whatever runs when > >there are no foreground routines to run is the background. This > >is of course just my personal view which may be totaly wrong. > > It is also the way I think of it. It's good to know I am not alone!! Ian -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu