小型资源管理器之动态添加TreeView节点

FrmMain主界面

 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
 using System.Drawing;
 using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;

 namespace Day09_0300小型资源管理器
 {
     public partial class Form1 : Form
     {
         public Form1()
         {
             InitializeComponent();
         }
         public void BindInfo(TreeNode node)
         {
             lvMain.Items.Clear();
             //绑定子目录
             DirectoryInfo dic = new DirectoryInfo(node.Tag.ToString());
             DirectoryInfo[] dirs = dic.GetDirectories();
             foreach (DirectoryInfo item in dirs)
                 {
                TreeNode tn=new TreeNode();
                 tn.Text=item.Name;
                 tn.Tag=item.FullName;
                 node.Nodes.Add(tn);
                   }
             FileInfo[] file = dic.GetFiles();
             ListViewItem lvi = new ListViewItem();
             foreach (FileInfo di in file)
             {
                 lvi = new ListViewItem(di.Name);
                 lvi.SubItems.Add(di.FullName);
                 lvi.SubItems.Add(di.Extension);
                 lvi.SubItems.Add(di.Length.ToString());
                 lvMain.Items.Add(lvi);
             }

         }

         private void tvList_AfterSelect(object sender, TreeViewEventArgs e)
         {
             TreeNode node = this.tvList.SelectedNode;
             this.BindInfo(node);
         }

     }
 }