1Shows the use of a custom controller, a value transformer, and two custom 2bindings-enabled views. One view is a control that allows you to set the angle 3and offset of a shadow; the other view observes and displays a collection of 4graphic objects. 5 6Originally from `Cocoa Bindings Examples and Hints`__, converted to PyObjC 7by u.fiedler. 8 9.. __: http://homepage.mac.com/mmalc/CocoaExamples/controllers.html 10