Load map with popups（代码好像有问题！！！）

 1 using System.Windows;
 2 using System.Windows.Controls;
 3 using System.Windows.Media;
 4 using ESRI.ArcGIS.Client;
 5 using ESRI.ArcGIS.Client.WebMap;
 6 
 7 namespace ArcGISSilverlightSDK
 8 {
 9     public partial class WebMapNotesPopups : UserControl
10     {
11         public WebMapNotesPopups()
12         {
13             InitializeComponent();
14 
15             Document webMap = new Document();
16             webMap.GetMapCompleted += webMap_GetMapCompleted;
17 
18             webMap.GetMapAsync("2ccf901c5b414e5c98a346edb75e3c13");
19         }
20 
21         void webMap_GetMapCompleted(object sender, GetMapCompletedEventArgs e)
22         {
23             if (e.Error == null)
24             {//发现下面代码并没有起到什么作用？？？？？
25                 foreach (Layer layer in e.Map.Layers)
26                 {
27                     if (layer is GraphicsLayer)
28                     {
29                         GraphicsLayer glayer = layer as GraphicsLayer;
30                         // Modification of the default map tip style
31                         Border border = glayer.MapTip as Border;
32                         if (border != null)
33                         {
34                             border.Background = new SolidColorBrush(Color.FromArgb(200, 102, 150, 255));
35                             border.CornerRadius = new CornerRadius(4);
36                         }
37                     }
38                 }
39                 LayoutRoot.Children.Add(e.Map);
40             }
41         }
42     }
43 }