Hi,
I am using CREO 2.0 ,i am the new one for this version of Pro/E,
Actually i don't know how to find the Use in model tree option in CREO 2.0(Detailing),
Pro/e (WF 4.0)There is one option available in view right click options, it is easy to change and see the feature of view model tree,
How to find this option "Use in Model tree".