1 InvokeCommandAction ic = new InvokeCommandAction();
2 ic.Command = tree.SelectedItemCommand;//绑定的命令
3 ic.CommandParameter = treeView;
4 System.Windows.Interactivity.EventTrigger et = new System.Windows.Interactivity.EventTrigger();
5 et.EventName = "SelectedItemChanged";
6 et.Actions.Add(ic);
7 System.Windows.Interactivity.TriggerCollection tc = Interaction.GetTriggers(treeView);
8 tc.Add(et);
View Code
1 public static List<T> GetChildObj<T>(DependencyObject obj) where T : FrameworkElement
2 {
3 List<T> list = new List<T>();
4 DependencyObject child = null;
5 for (int i = 0; i < System.Windows.Media.VisualTreeHelper.GetChildrenCount(obj); i++)
6 {
7 child = System.Windows.Media.VisualTreeHelper.GetChild(obj, i);
8 if (child is T)
9 {
10 list.Add((T)child);
11 }
12 //GetChildObj<T>(child);//仅仅遍历只在当前控件内的元素
13 list.AddRange(GetChildObj<T>(child));//遍历当前控件包括所有子控件
14 }
15
16 return list;
17 }
