c# 从零到精通 form textBox控件的操作

c# 从零到精通 form textBox控件的操作
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;

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

private void button1_Click(object sender, EventArgs e)
{
if (folderBrowserDialog1.ShowDialog() == DialogResult.OK)
{
listView1.Items.Clear(); //清空ListView列表
textBox1.Text = folderBrowserDialog1.SelectedPath; //显示选择的文件夹路径
List myFiles = new List(); //实例化List泛型类对象
foreach (string strFile in Directory.GetFiles(textBox1.Text))//遍历选择文件夹中的所有文件
{
myFiles.Add(new FileInfo(strFile)); //将遍历的所有文件添加到List对象中
}
var values = from strFile in myFiles //使用LINQ从List对象中查找文件
group strFile by strFile.Extension into FExten
orderby FExten.Key
select FExten;
foreach (var vFiles in values)
{
foreach (var f in vFiles)
listView1.Items.Add(f.FullName); //将文件名添加到ListView列表总
}
}
}

private void listView1_Click(object sender, EventArgs e)
{
FileInfo myFile = new FileInfo(listView1.SelectedItems[0].Text); //实例化FileInfo类对象
//定义一个字符串数组，用来存储文件的相关属性
string[] strAttribute = new string[] { myFile.Name, Convert.ToDouble(myFile.Length / 1024).ToString(), myFile.Extension, myFile.CreationTime.ToString(), myFile.IsReadOnly.ToString(), myFile.LastWriteTime.ToString() };
var values = from str in strAttribute //使用LINQ为文件属性赋值
select new
{
Name = strAttribute[0].ToString(),
Size = strAttribute[1].ToString(),
Exten = strAttribute[2].ToString(),
CTime = strAttribute[3].ToString(),
ReadOnly = strAttribute[4].ToString(),
WTime = strAttribute[5].ToString()
};
foreach (var v in values)
{
textBox2.Text = v.Name.ToString(); //显示文件名
textBox4.Text = v.Size.ToString(); //显示文件大小
textBox3.Text = v.Exten.ToString(); //显示文件扩展名
textBox5.Text = v.CTime.ToString(); //显示文件创建时间
textBox6.Text = v.WTime.ToString(); //显示文件最后修改时间
textBox7.Text = v.ReadOnly.ToString(); //显示文件是否只读
}
}
}
}