1 private void AddMusicToList()
 2         {
 3              var path = Environment.GetFolderPath(Environment.SpecialFolder.MyMusic);
 4              lsMyMusics.Items.Clear();
 5              DirectoryInfo myDirectory = new DirectoryInfo(path);
 6              foreach (FileInfo file in myDirectory.EnumerateFiles())
 7              {
 8                  lsMyMusics.Items.Add(file);
 9              }
10          }

 1 <UserControl x:Class="SilverlightOOBDemo.NotificationControl"
 2     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 3     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 4     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
 5     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 6     mc:Ignorable="d"
 7     d:DesignHeight="300" d:DesignWidth="400">
 8     
 9     <Grid x:Name="LayoutRoot" Background="White">
10         <Border x:Name="Frame" Width="300" Height="100" Background="LightYellow">
11             <StackPanel Orientation="Vertical">
12                 <Border Width="290" Height="24" CornerRadius="4" Margin="2,4,2,4">
13                     <Border.Background>
14                         <LinearGradientBrush StartPoint="0.5,0.0"
15                         EndPoint="0.5,1.0">
16                             <GradientStop Offset="0.2" Color="#FF1C68A0" />
17                             <GradientStop Offset="1.0" Color="#FF54A7E2" />
18                         </LinearGradientBrush>
19                     </Border.Background>
20                     <Border.Effect>
21                         <DropShadowEffect BlurRadius="4" ShadowDepth="4"
22                         Opacity="0.4" />
23                     </Border.Effect>
24                     <TextBlock Text="友情提示" FontSize="12"
25                     FontWeight="Bold" Foreground="White" Margin="4" />
26                 </Border>
27                 <StackPanel Orientation="Horizontal">
28                     <Image Source="/SilverlightOOBDemo;component/Images/Update.png" Width="48" Height="48"
29                     Stretch="Fill" Margin="4" VerticalAlignment="Top" />
30                     <TextBlock Width="240" Text="检测到新的音乐文件，已经更新到播放列表。小广告：我的博客http://jv9.cnblogs.com"
31                     FontSize="11" Foreground="#FF202020" TextWrapping="Wrap"
32                     Margin="4" />
33                 </StackPanel>
34             </StackPanel>
35         </Border>
36     </Grid>
37 </UserControl>
38 

 1 #region Private Members
 2         Window OOBWindow = Application.Current.MainWindow;
 3         NotificationWindow notifyWindow = null;
 4         #endregion
 5 
 6         #region Constructor
 7         public OutofBrowserMainPage()
 8         {
 9             InitializeComponent();
10             notifyWindow = new NotificationWindow();
11            
12           
13         }
14 #endregion

 1         private void aboutBtn_Click(object sender, RoutedEventArgs e)
 2         {
 3             if (null == notifyWindow)
 4                 MessageBox.Show("通告窗口仅能运行在OOB模式下，请安装Silverlight应用到本地。");
 5 
 6             if (true == App.Current.IsRunningOutOfBrowser)
 7             {
 8                 if (notifyWindow.Visibility == Visibility.Visible)
 9                     notifyWindow.Close();
10 
11                 NotificationControl myNotify = new NotificationControl();
12                 notifyWindow.Width = 300;
13                 notifyWindow.Height = 100;
14                 notifyWindow.Content = myNotify;
15                 notifyWindow.Show(10000);
16             }
17               
18         }