listview中选择一个item获得该item名字的问题,可能bug?

红烧蹄膀饭 2008-05-09 11:41:19

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

using System.IO;

namespace WindowsApplication4

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }



        private void Form1_Load(object sender, EventArgs e)

        {

            treeView1.ImageList = imageList1;

            TreeNode tn = new TreeNode("我的电脑", 2, 2);

            treeView1.Nodes.Add(tn);

            string[] dname = Directory.GetLogicalDrives();

           

            foreach(string x in dname)

            {

                TreeNode tn1 = new TreeNode(x,1,2);

                tn.Nodes.Add(tn1);

                //ListViewItem lvi = new ListViewItem(x.Substring(0,2),1);

                listView1.Items.Add(x,1);

                

             }

            tn.Expand();

            

    }



        private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)

        {

            string path = treeView1.SelectedNode.FullPath;

            if (path.Length > 4)

            {

                path = path.Substring(5);

                DirectoryInfo dir = new DirectoryInfo(path);

                DirectoryInfo[] Moudle1 = dir.GetDirectories();

                foreach(DirectoryInfo y in Moudle1)

                {

                    TreeNode tn2 = new TreeNode(y.Name,0,3);

                    treeView1.SelectedNode.Nodes.Add(tn2);



                }

            }

        }



        private void listView1_SelectedIndexChanged(object sender, EventArgs e)

        {

            listView1.Items.Clear();

           // string[] mo = Directory.GetLogicalDrives();

           // foreach(string m in mo)

            string p_str = this.listView1.SelectedItems[0].Text.ToString();//--这里报错:InvalidArgument=“0”的值对于“index”无效。

参数名: index

            DirectoryInfo dir = new DirectoryInfo(p_str);

            DirectoryInfo[] moudle = dir.GetDirectories();

            foreach(DirectoryInfo z in moudle)

            {

                ListViewItem lvi = new ListViewItem(z.Name,0);

                listView1.Items.Add(lvi);

            }

          

        }



       

    }

}