var addressStr:String = "Vancouver, BC";
   var cache:GeocoderCache = GeocoderCache.getInstance();
   var cachedResult:GeocoderResult = _cache.getFromCache(addressStr);
  
   if(cachedResult != null)
   {
    _map.centerLatLon = cachedResult.latlon;
   }
   else
   {
    var address:Address = new Address(addressStr);
    address.addEventListener(GeocoderEvent.GEOCODE_SUCCESS, handleGeocodeSuccess);
    address.geocode();
   }
  
   function handleGeocodeSuccess(event:GeocoderEvent):void
   {
    var result:GeocoderResult = (event.data as GeocoderResultSet).firstResult;
    _map.centerLatLon = result.latlon;
   }