The old deleting trick is the best available workaround, I believe:
http://thebuildingcoder.typepad.com/blog/2010/11/access-to-sketch-and-sketch-plane.html
The old deleting trick is the best available workaround, I believe:
http://thebuildingcoder.typepad.com/blog/2010/11/access-to-sketch-and-sketch-plane.html