You can find the full source code for our demos under your local installation path - for example - C:\Program Files\Telerik\RadControls for Silverlight Q2 2011\Demos.
Also since you are writting in a Forum thread - you'll have a 72-hour response time
from the Telerik support staff on business days (Monday thru Friday). If you want a faster responses - please refer to this
page where it is described what privileges you will get with changing your license.
the Telerik team
Register for the Q2 2011 What's New Webinar Week. Mark your calendar for the week starting July 18th and book your seat for a walk through of all the exciting stuff we will ship with the new release!