windowsphone中获取手机位置信息

 1 using System;
 2 using System.Collections.Generic;
 3 using System.IO;
 4 using System.Linq;
 5 using System.Runtime.InteropServices.WindowsRuntime;
 6 using Windows.Foundation;
 7 using Windows.Foundation.Collections;
 8 using Windows.UI.Xaml;
 9 using Windows.UI.Xaml.Controls;
10 using Windows.UI.Xaml.Controls.Primitives;
11 using Windows.UI.Xaml.Data;
12 using Windows.UI.Xaml.Input;
13 using Windows.UI.Xaml.Media;
14 using Windows.UI.Xaml.Navigation;
15 using Windows.Devices.Geolocation;
16 
17 // “空白页”项模板在 http://go.microsoft.com/fwlink/?LinkId=391641 上有介绍
18 
19 namespace Weather
20 {
21     /// <summary>
22     /// 可用于自身或导航至 Frame 内部的空白页。
23     /// </summary>
24     public sealed partial class MainPage : Page
25     {
26         public MainPage()
27         {
28             this.InitializeComponent();
29 
30             this.NavigationCacheMode = NavigationCacheMode.Required;
31         }
32 
33         /// <summary>
34         /// 在此页将要在 Frame 中显示时进行调用。
35         /// </summary>
36         /// <param name="e">描述如何访问此页的事件数据。
37         /// 此参数通常用于配置页。</param>
38         protected override async void OnNavigatedTo(NavigationEventArgs e)
39         {
40             //获取手机所在位置
41             var geolocator = new Geolocator();
42 
43             var geoPosition = await geolocator.GetGeopositionAsync();
44             //当前手机所在经纬度位置
45             var position = geoPosition.Coordinate.Point.Position;
46 
47             txtLocation.Text = string.Format("经度：{0}；纬度：{1}", position.Longitude, position.Latitude);
48         }
49     }
50 }