Recursive Find Calls

When using the AJAX version of the Virtual Earth control people have had issues making multiple find calls, one after the other. The resulting information does not always return in the order expected. The way around this issue is to use recursion. This will essentially make one call at a time and wait for one find call to finish before making another. The following code demonstrates how to do this:

<html>
   <head>
      <title></title>
      <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
      <script src="http://dev.virtualearth.net/mapcontrol/mapcontrol.ashx?v=6.2"></script>
      <script>
         var map = null;
         var count = 0;
         var locations = ["Toronto, Ontario","New York, New York","Seattle, WA"];
         function GetMap()
         {
            map = new VEMap(‘myMap’);
            map.LoadMap();
         }

This entry was posted on March 13, 2009, 1:03 am and is filed under Bing Maps Basics. You can follow any responses to this entry through RSS 2.0. You can leave a response, or trackback from your own site.

#1 by Anonymous on February 16, 2012 - 4:08 pm

Fantastic.
Spend too many time to find why my loop is behaving weired. And now i know how to deal with asyncronous call. or an alternative way to loop.

Ricky's Bing Maps Blog