>Hi Dragan
>
>>And then it's quite easy to write a builder which will replace the instances of the old class with those of the new.
>
>Won't a builder be after the fact, cause in my case I when I opened the form I get all the pages blanked out and even the captions are lost. Of course there is a class hierarchy involved. I guess hacking is required but what needs to be tapped and where?

Um, no, I meant not using the name of Page for a page class, but anything else, then going with a builder through all the places in the project where the pages are used, and then applying a builder to replace old page(frame) objects with identical objects of the new class.