xaml中绑定单例属性

在项目中经常会遇到，同一个字典表绑定到多个ItemsControl上的情况，可以在单例中创建一个List，xaml上绑定即可。看代码：

1，XAML

  <Grid>
         <StackPanel Orientation="Horizontal"
                     VerticalAlignment="Center">
             <TextBlock Text="分类" />
             <ComboBox ItemsSource="{Binding TypeList, Source={x:Static local:Singleton.Instance}}" />
         </StackPanel>
     </Grid>

2，.CS

     public partial class MainWindow : Window
     {
         public MainWindow()
         {
             InitializeComponent();
         }
     }

     public class Singleton
     {

         private Singleton()
         {
             this.TypeList = new List<string>() { "分类1", "分类2", "分类3" };
         }

         private static Singleton instance;
         public static Singleton Instance
         {
             get
             {
                 if (instance == null)
                 {
                     instance = new Singleton();
                 }
                 return instance;
             }
         }

         /// <summary>
         /// 分类列表
         /// </summary>
         public List<string> TypeList { get; set; }
     }