C# ListBox控件操作实例(读取文件夹文件列表)

获取指定文件夹下的所有子文件夹及文件

【实例截图】

【核心代码】

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 ListBox
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            listBox1.HorizontalScrollbar = true;
            listBox1.ScrollAlwaysVisible = true;
            listBox1.SelectionMode = SelectionMode.MultiExtended;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            FolderBrowserDialog FB = new FolderBrowserDialog();//实例化浏览文件夹对话框
            if (FB.ShowDialog()==DialogResult.OK)               //判断是否选择了要浏览的文件夹
            {
                textBox1.Text = FB.SelectedPath;

                //使用获取的文件夹路径实体化DirectoryInfo对象
                DirectoryInfo dirInfo = new DirectoryInfo(textBox1.Text);

                //获取指定文件夹下的所有子文件夹及文件
                FileSystemInfo[] finfo = dirInfo.GetFileSystemInfos();//
                listBox1.Items.AddRange(finfo);
                label3.Text = "共("   listBox1.Items.Count   ")项";


            }
        }

        private void listBox1_SelectedValueChanged(object sender, EventArgs e)
        {
            lable4.Text = "你目前选择的是：";
            for (int i = 0; i < listBox1.SelectedItems.Count; i  )
            {
                lable4.Text  = listBox1.SelectedItems[i]   "、";
            }

        }
    }
}