>Nadya,
>
>Another thread here was mentioning placing 'WAIT WINDOW ' PF Click: '+STR(this.activepage,2)' in the click method of the pageframe to determine which page was about to activate. At least, that was my understanding.
>Perhaps a do case / end case there?

You can try to use both: PF click and ActivePage_Assign method.

Also check UEnable event for pageframe. According to Help, it should work for you.