form2.cs

来自「实现电网发电的风机监控等功能！利用以太网、plc等。在此我只是做了一个opc的客」· CS 代码 · 共 25 行

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace opcClient
{
    public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string ip = this.textBox1.Text.Trim().ToString();
            string strHostName = System.Net.Dns.GetHostEntry(ip).HostName.ToString();
            this.label3.Text = strHostName;
        }
    }
}