>I've subclassed the RTF box 6.0 SP2 (IIRC) as olecontrol. Worked fine, as usual.
>
>Then I needed it in another project, and simply wanted to do ADD CLASS myrtf of mylib to \path\otherlib. I got an error sayin "class invalid for this container", which is an error you get when you want to, say, add a toolbar to a container, or a formset to a form.
>
>OK, no big deal, the class had no more than ten properties non-default and no code at all, so it was quite easy to recreate. Still, it bugs me that something like this should happen.
>
>Anyone with similar cases, or at least to confirm this?

I can confirm that there's no built in way to copy subclass of any ActiveX control between class libraries.