SilverMap is a map control for Microsoft Silverlight. You can test it here http://176.95.37.29/SilverMap/SilverMapTestPage.aspx.
It utilizes xServer internet for primariy mapping, routing and geocoding services. Go to http://xserver.ptvgroup.com/en-uk/products/ptv-xserver-internet/test/ to get a trial token.
To run the source code with your token, enter it into the web.config file of the SilverMap.Web.project.