Working With Location in Windows Phone: Listing 2

Retrieving location service information.

private void LocationPositionChanged(object sender, 
                         GeoPositionChangedEventArgs<GeoCoordinate> e)
    if (e == null || e.Position == null) return;
    CurrentLocation = e.Position.Location;

private void LocationStatusChanged(object sender, 
                                   GeoPositionStatusChangedEventArgs e)
    switch (e.Status)
        case GeoPositionStatus.Initializing:
        case GeoPositionStatus.NoData:
            LocationTrackingBrush = LocationTrackingStoppedBrush;
        case GeoPositionStatus.Disabled:
            LocationTrackingBrush = LocationTrackingDisabledBrush;
        case GeoPositionStatus.Ready:
            LocationTrackingBrush = LocationTrackingRunningBrush;


private GeoCoordinate currentLocation;
public GeoCoordinate CurrentLocation
    get { return currentLocation; }
        if (CurrentLocation == value) return;
        currentLocation = value;

private Brush locationTrackingBrush = LocationTrackingStoppedBrush;
public Brush LocationTrackingBrush
    get { return locationTrackingBrush; }
        if (LocationTrackingBrush == value) return;
        locationTrackingBrush = value;
private static Brush LocationTrackingRunningBrush = 
new SolidColorBrush(Colors.Green);
private static Brush LocationTrackingStoppedBrush = 
new SolidColorBrush(Colors.Orange);
private static Brush LocationTrackingDisabledBrush = 
new SolidColorBrush(Colors.Red);

About the Author

Nick Randolph runs Built to Roam, a consulting company that specializes in training, mentoring and assisting other companies build mobile applications. With a heritage in rich client applications for both the desktop and a variety of mobile platforms, Nick currently presents, writes and educates on the Windows Phone platform.

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