GMap.Net开发之在WinForm和WPF中使用GMap.Net地图插件

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using GMap.NET.WindowsForms;

namespace GMapWinFormDemo
{
    public partial class MapControl : GMapControl
    {
        public MapControl()
        {
            InitializeComponent();
        }
    }
}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using GMap.NET;
using GMap.NET.WindowsForms;
using GMap.NET.MapProviders;

using GMap.NET.WindowsForms.Markers;

namespace GMapDemo
{
    public partial class MapForm : Form
    {
        private GMapOverlay markersOverlay = new GMapOverlay("markers"); //放置marker的图层

        public MapForm()
        {
            InitializeComponent();

            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", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }

            mapControl.CacheLocation = Environment.CurrentDirectory + "\\GMapCache\\"; //缓存位置
            mapControl.MapProvider = GMapProviders.GoogleChinaMap; //google china 地图
            mapControl.MinZoom = 2;  //最小比例
            mapControl.MaxZoom = 24; //最大比例
            mapControl.Zoom = 10;     //当前比例
            mapControl.ShowCenter = false; //不显示中心十字点
            mapControl.DragButton = System.Windows.Forms.MouseButtons.Left; //左键拖拽地图
            mapControl.Position = new PointLatLng(32.064,118.704); //地图中心位置：南京

            mapControl.Overlays.Add(markersOverlay);
            
            mapControl.MouseClick += new MouseEventHandler(mapControl_MouseClick);
        }
        
        void mapControl_MouseClick(object sender, MouseEventArgs e)
        {
            if (e.Button == System.Windows.Forms.MouseButtons.Right)
            {
                PointLatLng point = mapControl.FromLocalToLatLng(e.X, e.Y);
                GMapMarker marker = new GMarkerGoogle(point, GMarkerGoogleType.green);
                markersOverlay.Markers.Add(marker);
            }
        }
    }

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using GMap.NET.WindowsPresentation;

namespace GMapWPFDemo
{
    class MapControl : GMapControl
    {
    }
}

<Window x:Class="GMapWPFDemo.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:src="clr-namespace:GMapWPFDemo"
        Title="MainWindow" Height="410" Width="618">
    <Grid>
            <GroupBox Name="mapgroup" VerticalContentAlignment="Stretch" HorizontalContentAlignment="Stretch">
            <src:MapControl x:Name="mapControl" Zoom="13" MaxZoom="24" MinZoom="1" />
            </GroupBox>
    </Grid>
</Window>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using GMap.NET;
using GMap.NET.MapProviders;
using GMap.NET.WindowsPresentation;

namespace GMapWPFDemo
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();

            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

            mapControl.MouseLeftButtonDown += new MouseButtonEventHandler(mapControl_MouseLeftButtonDown);
        }

        void mapControl_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            Point clickPoint = e.GetPosition(mapControl);
            PointLatLng point = mapControl.FromLocalToLatLng((int)clickPoint.X, (int)clickPoint.Y);
            GMapMarker marker = new GMapMarker(point);
            mapControl.Markers.Add(marker);
        }
    }
}