Question

为什么会错误啊

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Net;
using System.Net.Sockets;
using System.Threading; //程序中使用到线程using System.Text ; //程序中使用到编码

namespace WindowsApplication1
{
public partial class Form1 : Form
{
private UdpClient server;
private IPEndPoint receivePoint;
private int port = 8080; //定义端口号
private int ip = 127.0.0.1; //设定本地IP地址
private Thread startServer ;

public Form1()
{
InitializeComponent();
}

private void Form1_Load(object sender, EventArgs e)
{

}
}
}
为什么127.0.0.1会错啊

Answer 1

private string ip = 127.0.0.1;