public PositionEventArgs(Double latitude, Double longitude, YahooLocationResponse location, GeoLocationPositionStatus status)
 {
     this.latitude = latitude;
     this.longitude = longitude;
     this.location = location;
     this.status = status;
 }
 public PositionEventArgs(GeoLocationPositionStatus status)
 {
     this.latitude = Double.NaN;
     this.longitude = Double.NaN;
     this.location = null;
     this.status = status;
 }