c# - How to adjust zoom level on windows phone 8.1 map by pushpins -

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i working map control in windows phone 8.1(rt) application , have 2 custom push pins on map , 1 in source address , second destination address , want change zoom level according both push pins , means both pins display on screen path current zoom level 

 maplocation.zoomlevel = 14;

i want change zoom level according both location

you can calculate boundaries of multiple pushpins(positions)in winrt using geoboundingbox.trycompute , set map's view these boundaries.

        try         {         geopoint sourcepoint = --source point here--;         geopoint destpoint= --dest point here--;                  //calculate boundries                 var locations = new list<basicgeoposition>();                 locations.add(sourcepoint.position);                 locations.add(destpoint.position);                 var boundries = geoboundingbox.trycompute(locations);                 await smapcontrol.trysetviewboundsasync(boundries, new thickness(100), mapanimationkind.none);         }         catch(exception)         {             // ignored         }

note second parameter trysetviewboundsasync method margin added around calculated boundaries.


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