Key exist query in registry

[Dimitrie O. Paun]

> I call RefreshListView() but the key doesn't appear in 
> the list. Should we do some insert to the listview? Or 
> this could be a bug?

Hold on, are you inserting a key or a value? Values appear
in the listview, keys in the treeview. But I don't think
there is a treeview refresh just yet, so it's a bit trickier. Maybe we should first handle values, it's easier,
we can worry about keys after that...

-- 
Dimi.