>Nadya,
>
>You seem to be answering your own questions today...
>
>Now for the 2nd part of the quetion (before you answer it)
>
>vfp gets kind of confused if you use a class. Things are cached in memory.
>Write yourself a little prg (eg env) that does those kind of things like clear all, ....
>
>make a habit of following sequence
>- modify a class/prg/form
>- test it
>- do env
>- back to top
>
My question is: is it avoidable at the programming level?

>If you don't, the sources of the classes/forms may sometimes disappear for a while

Got it once :(