Generic Filter Control for Silverlight DataGrid

During the creation of a recent demo Silverlight project, I tasked myself with creating a generic (re-useable) filter control that I could use to filter rows in a Silverlight DataGrid. The control had to be lightweight, and work automatically with any object collection that the DataGrid was bound to – thus making it plug-and-play for any future uses. I’ve created a great starting point with this, by designing a set of inter-operating classes that have the following key features.