Silverlight 4: How to integrate Microsoft Translator Service

A few weeks ago, I found the Microsoft Translator Interactive SDK, and I recognized that it is very easy to use in .NET applications, like Silverlight and Windows Phone. So I started a sample application. After a while I got the idea to build a “UserControl” out of this feature. Why? Because it is “pickable” in the UI for a developer or Designer. The control itself is not visible at runtime, it only appears at designtime, as an ugly looking red box with its name on it.