Today on the Bing Maps Blog we announced the release of the new Bing™ Maps AJAX Control 7.0-our flagship for the desktop and mobile web. We built it from the ground up to be agile and fast, and it shows: at launch, the control is less than one-third the size of our previous AJAX Control 6.3 and renders multiple points nearly three times faster.*
Bing Maps Control ver. 7 :
Help in CHM or PDF format:
Bing Map control is being used on your application to visualize your location based information.
Hope this helps.