iphostentrysample.cs

visual c# 网络编程技术与实践实例包括几个源码

//IPHostEntrySample.cs
using System;
using System.Net;
class IPHostEntryClassSample
{
    public static void Main(string[] argv)
    {
        if (argv.Length != 1)
        {
            Console.WriteLine("Usage: GetDNSHostInfo hostname");
            return;
        }
        IPHostEntry results = Dns.GetHostByName(argv[0]);
        Console.WriteLine("Host name: {0}", results.HostName);
        foreach (string alias in results.Aliases)
        {
            Console.WriteLine("Alias: {0}", alias);
        }
        foreach (IPAddress address in results.AddressList)
        {
            Console.WriteLine("Address: {0}", address.ToString());
        }
    }
}