>Hi Jim,
>
>It sounds an awful lot like the problem described, but SP1 is already installed and there are no _ASSIGN's in sight. But still, the last line of the KB describes *EXACTLY* what I'm seeing: "When the form appears, try to close it by using the Close button; you are unable to do so. The only way to close the form is to issue a CLEAR ALL command from the Command Window."
>
>I've subclassed an Olecontrol to create a custom "checklist" control, based on the listview. It's sitting on a very simple form bound to a field in a free table, using a query to populate the list, all done from methods inside my subclass. I have a property called boundfield that I use in place of a control source (REPLACE &boundfield WITH assignments) - there are no _ASSIGN's anywhere. The only object references are the usual this and thisform type stuff, no publics. Listing memory to a file before and after gives the same results.
>
>This one has to be related to KB Q314629 but I can't see where - I'd be happy to provide MS with the class - it's a simple one.
>
>Again - thanks for your time and attention. I really *HATE* having to go back to VFP6.
>
>Regards,
>
>Erik


Erik,
One thing you could try (if you can be bothered) and that is to use the original treeview and not you subclass - then add the code from the subclass method by method till it no longer works :)

Caroline