Parameters
- p
 - a 
Pointin model coordinates - selectable
 - if true, the Northwoods.GoXam.Part found must be selectable; otherwise any Part will do
 
Return Value
the first (frontmost) Northwoods.GoXam.Part at the location p; the part could be a Northwoods.GoXam.Node or a Northwoods.GoXam.Link, including temporary ones such as Northwoods.GoXam.Adornments.