C# 根据经纬度获取地址（城市名）信息支持百度地图接口、高德地图、google地图接口

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 Geocoding.Net;

namespace GEOApplication1
{
    public partial class Form1 : Form
    {
        public Form1（）
        {
            InitializeComponent（）;
        }

        private void btnGet_Click（object sender EventArgs e）
        {
            var geo = GeoLocationFactory.Create（GeoType.Baidu）;//百度地图
            //var geo = GeoLocationFactory.Create（GeoType.Gaode）;//高德地图
            //var geo = GeoLocationFactory.Create（GeoType.Google）;//Google地图
            var lnt = double.Parse（this.txtLongitude.Text）;
            var lat = double.Parse（this.txtLatitude.Text）;
       

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-04-12 17:33  GEOApplication1\
     目录           0  2016-04-12 17:14  GEOApplication1\bin\
     目录           0  2016-04-12 17:28  GEOApplication1\bin\Debug\
     文件       10240  2016-04-12 17:42  GEOApplication1\bin\Debug\GEOApplication1.exe
     文件       24064  2016-04-12 17:42  GEOApplication1\bin\Debug\GEOApplication1.pdb
     文件       24576  2016-03-03 09:32  GEOApplication1\bin\Debug\Geocoding.Net.dll
     文件       48640  2016-03-03 09:32  GEOApplication1\bin\Debug\Geocoding.Net.pdb
     文件      333312  2016-03-03 09:32  GEOApplication1\bin\Debug\Newtonsoft.Json.dll
     文件        1444  2016-04-12 17:33  GEOApplication1\Form1.cs
     文件        5128  2016-04-12 17:31  GEOApplication1\Form1.Designer.cs
     文件        5817  2016-04-12 17:31  GEOApplication1\Form1.resx
     文件        3971  2016-04-12 17:42  GEOApplication1\GEOApplication1.csproj
     目录           0  2016-04-12 17:14  GEOApplication1\obj\
     目录           0  2016-04-12 17:42  GEOApplication1\obj\Debug\
     文件         865  2016-04-12 17:14  GEOApplication1\obj\Debug\DesignTimeResolveAssemblyReferences.cache
     文件        6997  2016-04-12 17:42  GEOApplication1\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     文件        1205  2016-04-12 17:28  GEOApplication1\obj\Debug\GEOApplication1.csproj.FileListAbsolute.txt
     文件         977  2016-04-12 17:31  GEOApplication1\obj\Debug\GEOApplication1.csproj.GenerateResource.Cache
     文件       20685  2016-04-12 17:42  GEOApplication1\obj\Debug\GEOApplication1.csprojResolveAssemblyReference.cache
     文件       10240  2016-04-12 17:42  GEOApplication1\obj\Debug\GEOApplication1.exe
     文件         180  2016-04-12 17:42  GEOApplication1\obj\Debug\GEOApplication1.Form1.resources
     文件       24064  2016-04-12 17:42  GEOApplication1\obj\Debug\GEOApplication1.pdb
     文件         180  2016-04-12 17:42  GEOApplication1\obj\Debug\GEOApplication1.Properties.Resources.resources
     目录           0  2016-04-12 17:14  GEOApplication1\obj\Debug\TempPE\
     文件         496  2016-04-12 17:14  GEOApplication1\Program.cs
     目录           0  2016-04-12 17:14  GEOApplication1\Properties\
     文件        1354  2016-04-12 17:14  GEOApplication1\Properties\AssemblyInfo.cs
     文件        2882  2016-04-12 17:14  GEOApplication1\Properties\Resources.Designer.cs
     文件        5612  2016-04-12 17:14  GEOApplication1\Properties\Resources.resx
     文件        1102  2016-04-12 17:14  GEOApplication1\Properties\Settings.Designer.cs
     文件         249  2016-04-12 17:14  GEOApplication1\Properties\Settings.settings
............此处省略41个文件信息