在C＃中接收广播消息

我已经尝试了很多，但不知何故，接收由远程主机广播的数据报的代码似乎存在一些问题。

那么有人可以提供代码来使用UDP连接在C＃中接收广播消息吗？

Answer 1

来自http://www.java2s.com/Code/CSharp/Network/ReceiveBroadcast.htm

/* C# Network Programming by Richard Blum Publisher: Sybex ISBN: 0782141765 */ using System; using System.Net; using System.Net.Sockets; using System.Text; public class RecvBroadcst { public static void Main() { Socket sock = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp); IPEndPoint iep = new IPEndPoint(IPAddress.Any, 9050); sock.Bind(iep); EndPoint ep = (EndPoint)iep; Console.WriteLine("Ready to receive..."); byte[] data = new byte[1024]; int recv = sock.ReceiveFrom(data, ref ep); string stringData = Encoding.ASCII.GetString(data, 0, recv); Console.WriteLine("received: {0} from: {1}", stringData, ep.ToString()); data = new byte[1024]; recv = sock.ReceiveFrom(data, ref ep); stringData = Encoding.ASCII.GetString(data, 0, recv); Console.WriteLine("received: {0} from: {1}", stringData, ep.ToString()); sock.Close(); } }