Shawn has updates the Silverlight Control tutorial for Beta 2. Not only is this a good thing because of some of the changes in the Silverlight platform, but there was a big addition that greatly simplifies creating controls, Visual State Manager (VSM). This makes things a lot easier when you have to deal with a lot of states for an object (like a checkbox). Tim has some great samples of using this in Expression and how much easier it makes things. Shawn explains the update to the tutorial and gives an example of the dramatic code reduction the VSM gives on his post here Go to the complete details ...