SurfaceDialMapControlZoom

SurfaceDialMapControlZoom.cs

        readonly RadialController _controller;

        public MapPagePage()
        {
            locationService = new LocationService();
            Center = new Geopoint(defaultPosition);
            ZoomLevel = DefaultZoomLevel;
            InitializeComponent();

            _controller = RadialController.CreateForCurrentView();
            _controller.RotationResolutionInDegrees = 0.2;
            _controller.UseAutomaticHapticFeedback = false;
  
            var myItem = RadialControllerMenuItem.CreateFromFontGlyph("El Bruno - Maps", "\xE128", "Segoe MDL2 Assets" );
            _controller.Menu.Items.Add(myItem);
            _controller.ButtonClicked += ControllerButtonClicked;
            _controller.RotationChanged += ControllerRotationChanged;
        }
        private void ControllerRotationChanged(RadialController sender, RadialControllerRotationChangedEventArgs args)
        {
            Debug.WriteLine($"{mapControl.ZoomLevel} - {args.RotationDeltaInDegrees}");
            mapControl.ZoomLevel = mapControl.ZoomLevel + args.RotationDeltaInDegrees;
        }