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);

         }

     }

 }