private void button1_Click(object sender, EventArgs e)

    {

        listView1.Items.Clear(); //清空列表

        if (folderBrowserDialog1.ShowDialog()==DialogResult.OK)

        {

            textBox1.Text = folderBrowserDialog1.SelectedPath; //选中的路径

            DirectoryInfo info = new DirectoryInfo(textBox1.Text);

            FileSystemInfo[] fsInfo = info.GetFileSystemInfos();//获取该目录的文件、子目录

            foreach (FileSystemInfo f in fsInfo)

            {

                if (f is DirectoryInfo)//如果是子目录

                {

                    DirectoryInfo dir = new DirectoryInfo(f.FullName);

                    listView1.Items.Add(dir.Name); //第一列展示

                    //listView1.Items[listView1.Items.Count - 1].SubItems.Add(dir.FullName); //第二列展示

                    listView1.Items[].SubItems.Add(dir.FullName); //等效

                }

                else //如果是文件

                {

                    FileInfo file = new FileInfo(f.FullName);

                    listView1.Items.Add(file.Name);

                    listView1.Items[listView1.Items.Count-].SubItems.Add(file.FullName);

                }

            }

        }

    }