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Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
s.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, true);
byte[] buffer = Encoding.Unicode.GetBytes("Hello World");
IPEndPoint iep1 = new IPEndPoint(IPAddress.Broadcast, 4567);//255.255.255.255
int i = 0;
while (true)
{
Console.WriteLine("正在进行广播 {0}", i++.ToString());
s.SendTo(buffer, iep1);
Thread.Sleep(5000);
}