Benn,
I think you'll have to save it under another name. Assuming the class you're changing is the one you've added with AddObject() then it is open and cannot be overwritten.

HTH
Barbara

>In my app. the user can edit a container class. When I want to save the changes to the class, I get the message "Class xxx is in use" (of cource it is, the user is editing it).
>
>Can anyone give me a hint to solve this problem.
>
>I'm using the following Methods:
>
>.Addobject()
>..
>.. some code
>..
>.SaveAsClass()