silverlight 连接google map

        string baseUrl = "http://mt2.google.cn/vt/lyrs=s@167000000&hl=zh-CN&gl=cn&s=Galil&x=";//卫星图
        string cbaseUrl = "http://mt2.google.cn/vt/lyrs=m@167000000&hl=zh-CN&gl=cn&x=0&y=0&z=0&s=Galil";//市区图

 

 

页面

<UserControl x:Class="SilverlightApplication6.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:open="clr-namespace:ESRI.ArcGIS.Client.Toolkit.DataSources;assembly=ESRI.ArcGIS.Client.Toolkit.DataSources"
             xmlns:Classgoole="SilverlightApplication6"
    mc:Ignorable="d"
            
    d:DesignHeight="300" d:DesignWidth="400" xmlns:esri="http://schemas.esri.com/arcgis/client/2009">

    <Grid x:Name="LayoutRoot" Background="White">
        <esri:Map Background="White" HorizontalAlignment="Left" Name="map1" VerticalAlignment="Top" Height="300" Width="400">        
        </esri:Map>
    </Grid>
</UserControl>

后台

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
namespace SilverlightApplication6
{
    public partial class MainPage : UserControl
    {
        public MainPage()
        {
            InitializeComponent();
            map1.Loaded += LoadMap;
        }
        private void LoadMap(object sender,RoutedEventArgs e)
        {
            GoogleMapLayer gm = new GoogleMapLayer();
          
            map1.Layers.Add(gm);
        }

    }
}

GoogleMapLayer

using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using ESRI.ArcGIS.Client;
using ESRI.ArcGIS.Client.Geometry;

public class GoogleMapLayer : TiledMapServiceLayer
{
    private const double cornerCoordinate = 20037508.3427892;
    public override void Initialize()
    {
        //this.Opacity = 0.5;

        this.FullExtent = new

        ESRI.ArcGIS.Client.Geometry.Envelope(-20037508.342787,-20037508.342787,20037508.342787,20037508.342787);//(-180,-85.0511287798066,180,85.0511287798066)

        {

            SpatialReference = new ESRI.ArcGIS.Client.Geometry.SpatialReference(102100);

        };

        this.SpatialReference = new ESRI.ArcGIS.Client.Geometry.SpatialReference(102100);

        //this.InitialExtent = this.FullExtent;

        this.TileInfo = new TileInfo()

        {

            Height = 256,

            Width = 256,

            Origin = new ESRI.ArcGIS.Client.Geometry.MapPoint(-20037508.342787,20037508.342787)//Origin = new ESRI.ArcGIS.Geometry.MapPoint(-180,90)

            {

                SpatialReference = new ESRI.ArcGIS.Client.Geometry.SpatialReference(102100)

            },

            Lods = new Lod[20]

        };

        double resolution = 156543.033928;

        for(int i = 0; i < TileInfo.Lods.Length; i++)

        {

            TileInfo.Lods[i] = new Lod() { Resolution = resolution };

            resolution /= 2;

        }

        base.Initialize();

        //this.FullExtent = new ESRI.ArcGIS.Client.Geometry.Envelope(-20037508.3427892,-20037508.3427892,20037508.3427892,20037508.3427892)
        //{
        //    SpatialReference = new SpatialReference(102100)
        //};
        //// This layer's spatial reference
        //this.SpatialReference = new SpatialReference(102100);
        //// Set up tile @R_525_4045@ion. Each tile is 256x256px,19 levels.
        //this.TileInfo = new TileInfo()
        //{
        //    Height = 256,
        //    Width = 256,
        //    Origin = new MapPoint(-cornerCoordinate,cornerCoordinate) { SpatialReference = new ESRI.ArcGIS.Client.Geometry.SpatialReference(102100) },
        //    Lods = new Lod[19]
        //};
        //// Set the resolutions for each level. Each level is half the resolution of the prevIoUs one.
        //double resolution = cornerCoordinate * 2 / 256;
        //for (int i = 0; i < TileInfo.Lods.Length; i++)
        //{
        //    TileInfo.Lods[i] = new Lod() { Resolution = resolution };
        //    resolution /= 2;
        //}
        //// Call base initialize to raise the initialization event
        //base.Initialize();
    }

    public override string GetTileUrl(int level,int row,int col)
    {
    //    int num = (col + (2 * row)) % 4;
    //    string str = "&s=";
    //    string str2 = "galileo";
    //    int length = ((col * 3) + row) % 8;
    //    str = str + str2.Substring(0,length);
    //    if (row >= 0x2710)
    //    {
    //    }
    //    string str3 = "http://khm" + num.ToString() + ".google.com/kh=49&x=";
    //    return (str3 + col.ToString() + "&y=" + row.ToString() + "&z=" + level.ToString() + str);

        string baseUrl = "http://mt2.google.cn/vt/lyrs=s@167000000&hl=zh-CN&gl=cn&s=Galil&x=";//卫星图
        string cbaseUrl = "http://mt2.google.cn/vt/lyrs=m@167000000&hl=zh-CN&gl=cn&x=0&y=0&z=0&s=Galil";//市区图         string url = baseUrl + col.ToString() + "&y=" + row.ToString() + "&z=" + level.ToString() + "";         return url;     } }