>Hi,
>
>I have a form in a vcx using a DataEnvironment (DTE) class from a same .vcx (thru DEclass/DEclassLibrary), including some CursorAdapter (CAD) classes from the same vcx.
>
>After I open the form class, either in the designer or running it, and close it properly, I can no longer modify the DTE and CAD classes in the designer:
>

>Remove class from memory?
>Yes
>Cannot modify a class that is in use.
>

>
>None ot these help:
>

>clear all
>release all
>close all
>

>The only way out is
>

>quit
>

>
>Ever worked around this issue?

Update: sorry, Thierry, should have it rechecked before posting: nope, access is still denied...

Just stumbled on one of these and remember your question. I regained access to the class editing by issuing

CLEAR CLASSLIB <fullpath to vcx>

Does it help in your case?