>>>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?
>
>Yes, method described above
>
>I am doing this sequence for years now and have never had any problems since.
>ie, before editing you have to release all instances of a class + clear any cache, reset lib, classlib, procedure, ... This is the only way I know to force vfp to discard it's internal cache and read all of it back from disc


Well, my question was mostly: what causes this behavior and is where a way to prevent it? I switch between form and command window and do clear all, but it sounds a little bit inconvenient...