On Tue, Jul 29, 2008 at 4:38 PM, Paul Kienzle <pki...@ni...> wrote: > Okay, how about > if not hasattr(self,'IsVisible'): > self.IsVisible = lambda self: True > in __init__ > > That way it will always think it is visible. OK, Nils, I committed a minor variant of that in r5926. Test again... JDH