title: Adding hundreds of pushpins programatically to bing maps freezes the WP7 UI
body: <p>I'm working on a WP7 app that uses bing maps to display ~600 pushpins. When i add them to the map using map.Children.Add(pushpin) the UI freezes for ~200 ms. I've seen that in silverlight you can use Microsoft.Maps.EntityCollection to add pins to a map but unfortunately I couldn't find how to use the assembly on WP7. Does anyone know a solution to this?</p>