Pierre -

>I have filed in and installed ThingLab on my Squeak V2.2 and V2.3
>images.  There are many problems occuring when I try to use it.  For
>instance, there is a "Form white" message that is sent when deleting an
>object.
>
>Can someone explain me how to fix that?

I don't have Thinglab with me right now, but there's a fair chance that changing this to 'Color white' will do the trick.

	- Dan