public UserControl1(ObservableCollection<Item> items,CustomCommandExecutor e)
 {
     InitializeComponent();
     this.Loaded += UserControl1_Loaded;
     this.items = items;
     E = e;
 }
 public CustomCommandPlugin()
 {
     Name = "自定义命令插件";
     load();
     Executor = new CustomCommandExecutor(items);
 }