Adding Controls to a Bing Map Webpart for SP 2010

Question

I am using this WebPart to display Bing Maps, I did lots of research to find out, how can I put controls on it as one shown in picture in link but didn;t find any hint except AJAX might help, can anyone just give me hint to what should I search for to get what i want please.

My version of Map

Desired Map

Here is the Code for Webpart

Answer 1

Later On I find the answer to use Latest Bing Map API/SDK is the best option, here is the link

Bing Map SDK