Behaviors are not new in WPF / Silverlight world; it’s a common way of extending visual element’s behavior through the power of attached properties and everybody probably used one of these at least once in their projects. Now, there’s new Behaviors in town… I first learned about the behaviors in this...
If you like the way how Windows Vista shows your account picture on the Login screen, or how Windows Live Messenger’s display picture looks like on, you have probably already thought about putting something like it in your Silverlight application, either for a login screen or just to display a picture...