WPF-使用GMap（一）

using GMap.NET.WindowsPresentation;

namespace Test2
{
    class MapControl:GMapControl
    {
    }

 <local:MapControl x:Name="mapControl" Zoom="13" MaxZoom="24" MinZoom="1" Width="600" Height="350" />

  try
            {
                System.Net.IPHostEntry e = System.Net.Dns.GetHostEntry("ditu.google.cn");
            }
            catch
            {
                mapControl.Manager.Mode = AccessMode.CacheOnly;
                MessageBox.Show("No internet connection avaible, going to CacheOnly mode.", "GMap.NET Demo", MessageBoxButton.OK, MessageBoxImage.Warning);
            }

            mapControl.MapProvider = GMapProviders.GoogleChinaMap; //google china 地图
            mapControl.MinZoom = 2;  //最小缩放
            mapControl.MaxZoom = 17; //最大缩放
            mapControl.Zoom = 5;     //当前缩放
            mapControl.ShowCenter = false; //不显示中心十字点
            mapControl.DragButton = MouseButton.Left; //左键拖拽地图
            mapControl.Position = new PointLatLng(32.064, 118.704); //地图中心位置：南京(纬度，经度)

  mapControl.MouseLeftButtonDown += new MouseButtonEventHandler(mapControl_MouseLeftButtonDown);



  void mapControl_MouseRightButtonDown(object sender, MouseButtonEventArgs e)
        {
          

            Point clickPoint = e.GetPosition(mapControl);
            PointLatLng point = mapControl.FromLocalToLatLng((int)clickPoint.X, (int)clickPoint.Y);
            GMapMarker currentMarker = new GMapMarker(point);
            {
                var converter = TypeDescriptor.GetConverter(typeof(Geometry));
                //currentMarker.Shape = new Ellipse() { Width = 20, Height = 20, Stroke = Brushes.Red };
                currentMarker.Shape = new Path()
                {
                    StrokeThickness = 1,
                    Stretch = Stretch.Fill,

                    Stroke = Brushes.Black
                    ,
                    Width = 20,
                    Height = 20,
                    Data = (Geometry)converter.ConvertFrom("M 808.6 403.2 c 0 -178.8 -129.8 -308.5 -308.5 -308.5 c -170.1 0 -308.5 138.4 -308.5 308.5 c 0 125.6 170.6 338.3 262.3 452.6 l 6.8 8.4 c 9.6 12 24 18.9 39.5 18.9 c 15.4 0 29.8 -6.9 39.5 -18.9 l 6.8 -8.4 c 91.5 -114.3 262.1 -327 262.1 -452.6 Z m -310.1 89.4 c -62.9 0 -114 -51.1 -114 -114 s 51.1 -114 114 -114 s 114 51.1 114 114 s -51.1 114 -114 114 Z M 500.1 67.8 c -184.9 0 -335.4 150.4 -335.4 335.4 c 0 135 174.5 352.5 268.2 469.4 l 6.7 8.4 c 14.8 18.4 36.8 29 60.4 29 s 45.6 -10.6 60.4 -29 l 6.8 -8.4 C 661 755.7 835.4 538.2 835.4 403.2 c 0 -194.3 -141 -335.4 -335.3 -335.4 Z m 0 815.3 c -15.4 0 -29.8 -6.9 -39.5 -18.9 l -6.8 -8.4 c -91.7 -114.3 -262.3 -327 -262.3 -452.6 c 0 -170.1 138.4 -308.5 308.5 -308.5 c 178.8 0 308.5 129.8 308.5 308.5 c 0 125.6 -170.6 338.3 -262.3 452.6 l -6.8 8.4 c -9.5 12 -23.9 18.9 -39.3 18.9 Z")
                };
                //(currentMarker.Shape as CustomMarker).SetContent(point, "1"); 这种方法可以触发SetContent
                currentMarker.ZIndex = -1;
                currentMarker.Position = point;
                mapControl.Markers.Add(currentMarker);
               
                this.Focus();
            }
        }

 int id = 1;

        PointLatLng point_last;
        void mapControl_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
          

            Point clickPoint = e.GetPosition(mapControl);
            PointLatLng point_show = mapControl.FromLocalToLatLng((int)clickPoint.X, (int)clickPoint.Y);
       
            if (id > 1)
            {
                GMapRoute gmRoute = new GMapRoute(new List<PointLatLng>() {

point_last, //上一次的位置

point_show //当前显示的位置

});
                
                    gmRoute.Shape = new  Path() { StrokeThickness = 1 ,Stroke=Brushes.Red};
                
              
               
                mapControl.Markers.Add(gmRoute);
            }
            id += 1;
            point_last = point_show;


        }

   private void Button_Click_3(object sender, RoutedEventArgs e)
        {
            Path path = (Path)mapControl.Markers.Where(x => x.GetType() == typeof(GMapMarker)).ToList()[0].Shape;
            path.Stroke = Brushes.Red;

            ObjectAnimationUsingKeyFrames animation = new ObjectAnimationUsingKeyFrames();
            DiscreteObjectKeyFrame kf1 = new DiscreteObjectKeyFrame(Visibility.Hidden, new TimeSpan(0, 0, 0,0,500));
            DiscreteObjectKeyFrame kf2 = new DiscreteObjectKeyFrame(Visibility.Visible, new TimeSpan(0, 0, 0,1));
            animation.Duration = new TimeSpan(0, 0, 1);
            animation.RepeatBehavior = RepeatBehavior.Forever;
            animation.KeyFrames.Add(kf1);
            animation.KeyFrames.Add(kf2);
            path.BeginAnimation(Path.VisibilityProperty, animation);
        }

  //清除所有的坐标
        private void Button_Click(object sender, RoutedEventArgs e)
        {

            foreach (var item in mapControl.Markers.Where(x => x.GetType() == typeof(GMapMarker)).ToList())
            {
                mapControl.Markers.Remove(item);
            }

        }
        //清除所有的路径
        private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            foreach (var item in mapControl.Markers.Where(x => x.GetType() == typeof(GMapRoute)).ToList())
            {
                mapControl.Markers.Remove(item);
            }
        
        }