Hi Marco,
USE particular VCX and Remove CODE form METHODS field, and close it. After doing this u can RUN and it will work, but if u MODIFY VCX and SAVE then that code will vanish.
So user can not see that code by Modifying VCX.

Mihir...

>Hi all,
>
>We like to let developers use our classlibrary but we don't want to give them the possibility to modify the library or even look at the code.
>
>Offcourse we subclassed the library and we try to integrate the class in an app and use SET CLASSLIB but that doesn't work.
>
>Does somebody has an idea to do this?
>
>Marco