C#网络编程学习_01

参考http://blog.csdn.net/yuzhongchun/article/details/11990571

using System.Net;

namespace Network_01
{
    public partial class Main : Form
    {
        public Main()
        {
            InitializeComponent();
        }

        private void btnGetHostName_Click(object sender, EventArgs e)
        {
            DebugInfo.Text = Dns.GetHostName();//返回本机名称
        }

        private void btnGetHostEntry_Click(object sender, EventArgs e)
        {
            DebugInfo.Text = "";
            IPHostEntry ipEntry = Dns.GetHostEntry(Dns.GetHostName());      //返回目标主机实例
            foreach (IPAddress ipAddr in ipEntry.AddressList)
            {
                if (ipAddr.AddressFamily.ToString() == "InterNetwork") //IP4 InterNetworkV6 IP6
                DebugInfo.Text += ipAddr.AddressFamily.ToString()+":" + ipAddr.ToString() + "\r\n";
            }
        }

        private void WebGetHostEntry_Click(object sender, EventArgs e)
        {
            DebugInfo.Text = "";
            IPHostEntry ipEntry = Dns.GetHostEntry(AddrText.Text.Trim());
            foreach (IPAddress ipAddr in ipEntry.AddressList)
            {
                if (ipAddr.AddressFamily.ToString() == "InterNetwork")      //IP4
                    DebugInfo.Text += ipAddr.AddressFamily.ToString() + ":" + ipAddr.ToString() + "\r\n";
            }
        }

    }
}

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