Bing Map On GeoLocation Basis in iPhone Application

I need to display a bing map in an iphone app on basis of particular latitude and longitude. So far i am able to display map on 开发者_如何学JAVAiphone by launching in uiwebview This URL

I need here on where i would adjust this to load map on lat and long basis.

Any help/clue over this will be appreciated. Thanks.