public override string Open() { /*string addr = Common.Conf.IP1 + "." + * Common.Conf.IP2 + "." + * Common.Conf.IP3 + "." + * Common.Conf.IP4;*/ int port = Common.Conf.Port; if (Socket != null) { return(null); } Socket s = null; Socket = null; try { //IPHostEntry ent = Dns.GetHostEntry(addr); byte[] bt = { Common.Conf.IP1, Common.Conf.IP2, Common.Conf.IP3, Common.Conf.IP4 }; IPAddress ipAddress = new IPAddress(bt);// ent.AddressList[0]; EndPoint destination = new IPEndPoint(ipAddress, port); s = new Socket(destination.AddressFamily, SocketType.Dgram, ProtocolType.Udp); s.Bind(new IPEndPoint(IPAddress.Any, port)); s.Connect(destination); s.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveBuffer, 500000); s.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendBuffer, 500000); Destination = destination;//*/ IpPacket p = IpPacket.GetCommand_PowerOnReset(); Send(p, 1000, s); SpectroWizard.gui.MainForm.SetupConnectionIndicator(true); } catch (Exception e) { if (s != null) { try { SpectroWizard.gui.MainForm.SetupConnectionIndicator(false); s.Shutdown(SocketShutdown.Both); } finally { try { s.Close(); } finally { } } } Common.LogNoMsg(e); return(e.Message); } Socket = s; return(null); }