>I read all the thread and at End I understand what you want.
>In Tools/Options/Forms you can activate Builder Lock and Create a Builder and Register it in VFP and allways you insert the class
>the Builder will Start
>
>I don't know how to do it but you can Investigate how to do.
>
>I hope this help

Yes, Christof Lange told me about the builder lock. That, however, is a little too much. It forces ALL builders to be executed, but what I really want is some code to execute when this specific class is dropped on a form, not when ANY class is dropped on a form.

Thanks for the suggestion!