WPF TreeView数据绑定

   
       
           
       
   

var categories = new List
{
     new Category
      {
         Name = "Fruits",
         SubCategories = new List  { new Category { Name = "Apple" }, new Category { Name = "Banana" } }
      },
      new Category
      {
         Name = "Vegetables",
        SubCategories = new List{  new Category { Name = "Carrot" } , new Category { Name = "Broccoli" } }
       }
};

treeView.ItemsSource = categories;

 public class Category
 {
     public string Name { get; set; }
     public List SubCategories { get; set; }
 }