Gar,

Can I ask why you need this functionality? Why won't the single PrivateDS of a form give you all of the modelessness that you need?

>It is trivial to create a single form with multiple tabbed pages. (you have to watch the refreshes but that seems to be only gotcha.)
>
>What I cannot find a way is to create a true tabbed application -- each tab having it's own separate private data session.