[Behaviors] TextBox Enter Button Invoke (TargetedTriggerAction)

Few days ago I wrote a small behavior, which I think, can be used in many applications, so I decided to share it with you :) What are behaviors in Silverlight I won't write in this post, because there are many other places where you can find nice tutorial about this.... What I did is a "TargetedTriggerAction" behavior, which simulate button click on targeted button control...