XAML-Map-Control/SampleApps/WpfApplication/MainWindow.xaml.cs

using System;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;
using MapControl;
using MapControl.Caching;
using ViewModel;

namespace WpfApplication
{
    public partial class MainWindow : Window
    {
        static MainWindow()
        {
            try
            {
                ImageLoader.HttpClient.DefaultRequestHeaders.Add("User-Agent", "XAML Map Control Test Application");

                TileImageLoader.Cache = new ImageFileCache(TileImageLoader.DefaultCacheFolder);
                //TileImageLoader.Cache = new FileDbCache(TileImageLoader.DefaultCacheFolder);
                //TileImageLoader.Cache = new SQLiteCache(TileImageLoader.DefaultCacheFolder);
                //TileImageLoader.Cache = null;

                var apiKeyPath = Path.Combine(
                    Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "MapControl", "BingMapsApiKey.txt");

                BingMapsTileLayer.ApiKey = File.ReadAllText(apiKeyPath)?.Trim();
            }
            catch (Exception ex)
            {
                Debug.WriteLine(ex.Message);
            }
        }

        public MainWindow()
        {
            InitializeComponent();

            if (TileImageLoader.Cache is ImageFileCache cache)
            {
                Loaded += async (s, e) =>
                {
                    await Task.Delay(2000);
                    await cache.Clean();
                };
            }
        }

        private void MapMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            if (e.ClickCount == 2)
            {
                //map.ZoomMap(e.GetPosition(map), Math.Floor(map.ZoomLevel + 1.5));
                //map.ZoomToBounds(new BoundingBox(53, 7, 54, 9));
                map.TargetCenter = map.ViewToLocation(e.GetPosition(map));
            }
        }

        private void MapMouseRightButtonDown(object sender, MouseButtonEventArgs e)
        {
            if (e.ClickCount == 2)
            {
                //map.ZoomMap(e.GetPosition(map), Math.Ceiling(map.ZoomLevel - 1.5));
            }
        }

        private void MapMouseMove(object sender, MouseEventArgs e)
        {
            var location = map.ViewToLocation(e.GetPosition(map));
            var latitude = (int)Math.Round(location.Latitude * 60000d);
            var longitude = (int)Math.Round(Location.NormalizeLongitude(location.Longitude) * 60000d);
            var latHemisphere = 'N';
            var lonHemisphere = 'E';

            if (latitude < 0)
            {
                latitude = -latitude;
                latHemisphere = 'S';
            }

            if (longitude < 0)
            {
                longitude = -longitude;
                lonHemisphere = 'W';
            }

            mouseLocation.Text = string.Format(CultureInfo.InvariantCulture,
                "{0}  {1:00} {2:00.000}\n{3} {4:000} {5:00.000}",
                latHemisphere, latitude / 60000, (latitude % 60000) / 1000d,
                lonHemisphere, longitude / 60000, (longitude % 60000) / 1000d);
        }

        private void MapMouseLeave(object sender, MouseEventArgs e)
        {
            mouseLocation.Text = string.Empty;
        }

        private void MapManipulationInertiaStarting(object sender, ManipulationInertiaStartingEventArgs e)
        {
            e.TranslationBehavior.DesiredDeceleration = 0.001;
        }

        private void MapItemTouchDown(object sender, TouchEventArgs e)
        {
            var mapItem = (MapItem)sender;
            mapItem.IsSelected = !mapItem.IsSelected;
            e.Handled = true;
        }

        private void SeamarksChecked(object sender, RoutedEventArgs e)
        {
            map.Children.Insert(map.Children.IndexOf(graticule), ((MapViewModel)DataContext).MapLayers.SeamarksLayer);
        }

        private void SeamarksUnchecked(object sender, RoutedEventArgs e)
        {
            map.Children.Remove(((MapViewModel)DataContext).MapLayers.SeamarksLayer);
        }
    }
}