Overview of the Windows Phone Bing Maps Silverlight Control
The Bing Maps Silverlight Control for Windows Phone 7.5 is a port of the desktop version of the Silverlight Map Control, which provides full mapping capabilities on the Windows Phone 7.5 device. Before using the Bing Maps control you need to get an application key from Microsoft's Bing Maps portal at: https://www.bingmapsportal.com/.
The Microsoft.Phone.Controls.Maps
namespace contains the classes of the Bing Maps Silverlight Control for Windows Phone. Let us quickly see an example of using maps in our WP7.5 app.