NurbsSurface vs control points with weights

GH link : http://www.grasshopper3d.com/forum/topics/construct-nurbssurface-from

by David:
NurbsSurface has a Points property which provides access to the control-points. You can both get and set control-points via NurbsSurface.Points. A control-point can have a weight assigned to it, so it would seem this is possible.