读取host文件代码

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.IO;

using System.Text;

using System.Windows.Forms;

namespace 读取host文件

{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

}

private void button1_Click(object sender, EventArgs e)

{

string str;

StreamReader sr = new StreamReader(@"C:\windows\system32\drivers\etc" + "\\hosts", false);

str = sr.ReadToEnd().ToString();

sr.Close();

this.richTextBox1.Text = str;///读取

}

}

}

@"C:\windows\system32\drivers\etc" + "\\hosts"文件路径