wpf 树形控件示例源码(TreeViewDemo)

【实例截图】

【核心代码】

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Collections.ObjectModel;

namespace TreeViewDemo
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            ObservableCollection<FriendList> Root = new ObservableCollection<FriendList>();
            FriendList listOne = new FriendList("高中同学");
            Friend friend1 = new Friend(listOne) { Autograph = "今天很开心，遇到了XX", HeadPath = "Heads/h1.png", Name = "天煞" ,py="z" };
            Friend friend2 = new Friend(listOne) { Autograph = "非一般的感觉", HeadPath = "Heads/h2.png", Name = "Basx", py = "d" };
            Friend friend3 = new Friend(listOne) { Autograph = "WER", HeadPath = "Heads/h3.png", Name = "Paul", py = "b" };
            Friend friend4 = new Friend(listOne) { Autograph = "~终于完成作业了~~!", HeadPath = "Heads/h4.png", Name = "孤星月", py = "a" };
            listOne.AddFriend(friend1);
            listOne.AddFriend(friend2);
            listOne.AddFriend(friend3);
            listOne.AddFriend(friend4);
            FriendList listTwo = new FriendList("大一");
            Friend friend5 = new Friend(listOne) { Autograph = "你的存在", HeadPath = "Heads/h5.png", Name = "菲菲" };
            listTwo.AddFriend(friend5);
            Root.Add(listOne);
            Root.Add(listTwo); 
            
            this.ListTV.DataContext = Root;
        }

        private void ListTV_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs<object> e)
        {
            Friend item = this.ListTV.SelectedItem as Friend;
            if (item==null)
            {
                return;
            }
            //item.Name = "dido";
            ////item.IsChecked = true;
            //MessageBox.Show(item.Autograph.ToString());
        }

        //private void txtEmployeeKeyword_TextChanged(object sender, TextChangedEventArgs e)
        //{
        //    string keyword = txtEmployeeKeyword.Text.Trim();
        //    //if (string.IsNullOrEmpty(keyword))//无关键字，显示scv1下的listbox(有分组)
        //    //{

        //    //    scv1.Visibility = Visibility.Visible;
        //    //    scv2.Visibility = Visibility.Collapsed;
        //    //}
        //    //else//有关键字，显示scv2下的listbox(无分组)
        //    //{
        //    //    scv1.Visibility = Visibility.Collapsed;
        //    //    scv2.Visibility = Visibility.Visible;
        //    //}
        //    CollectionViewSource employeeCvs = (CollectionViewSource)this.FindResource("employeeCollectionViewSource");
        //    employeeCvs.View.Refresh();//刷新View
        //}
    }
}