udp_client

class Program
{
    static void Main(string[] args)
    {
        Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);

        IPAddress broadcast = IPAddress.Parse("192.168.1.102");

        byte[] sendbuf = Encoding.ASCII.GetBytes("{11111111111}");
        IPEndPoint ep = new IPEndPoint(broadcast, 1700);
        Console.WriteLine(sendbuf.Length);
        s.SendTo(sendbuf, ep);

        Console.WriteLine("Message sent to the broadcast address");
    }
}