System.Net.Sockets.Socket.SetSocketOption C# (CSharp) Method

        public void SetSocketOption(SocketOptionLevel optionLevel, SocketOptionName optionName, object optionValue)
        {
            if (CleanedUp)
            {
                throw new ObjectDisposedException(this.GetType().FullName);
            }

            // Validate input parameters.
            if (optionValue == null)
            {
                throw new ArgumentNullException(nameof(optionValue));
            }

            CheckSetOptionPermissions(optionLevel, optionName);

            if (NetEventSource.IsEnabled) NetEventSource.Info(this, $"optionLevel:{optionLevel} optionName:{optionName} optionValue:{optionValue}");

            if (optionLevel == SocketOptionLevel.Socket && optionName == SocketOptionName.Linger)
            {
                LingerOption lingerOption = optionValue as LingerOption;
                if (lingerOption == null)
                {
                    throw new ArgumentException(SR.Format(SR.net_sockets_invalid_optionValue, "LingerOption"), nameof(optionValue));
                }
                if (lingerOption.LingerTime < 0 || lingerOption.LingerTime > (int)UInt16.MaxValue)
                {
                    throw new ArgumentException(SR.Format(SR.ArgumentOutOfRange_Bounds_Lower_Upper, 0, (int)UInt16.MaxValue), "optionValue.LingerTime");
                }
                SetLingerOption(lingerOption);
            }
            else if (optionLevel == SocketOptionLevel.IP && (optionName == SocketOptionName.AddMembership || optionName == SocketOptionName.DropMembership))
            {
                MulticastOption multicastOption = optionValue as MulticastOption;
                if (multicastOption == null)
                {
                    throw new ArgumentException(SR.Format(SR.net_sockets_invalid_optionValue, "MulticastOption"), nameof(optionValue));
                }
                SetMulticastOption(optionName, multicastOption);
            }
            else if (optionLevel == SocketOptionLevel.IPv6 && (optionName == SocketOptionName.AddMembership || optionName == SocketOptionName.DropMembership))
            {
                // IPv6 Changes: Handle IPv6 Multicast Add / Drop
                IPv6MulticastOption multicastOption = optionValue as IPv6MulticastOption;
                if (multicastOption == null)
                {
                    throw new ArgumentException(SR.Format(SR.net_sockets_invalid_optionValue, "IPv6MulticastOption"), nameof(optionValue));
                }
                SetIPv6MulticastOption(optionName, multicastOption);
            }
            else
            {
                throw new ArgumentException(SR.net_sockets_invalid_optionValue_all, nameof(optionValue));
            }
        }

        public bool initializeConnection()
        {
            try
            {
                m_socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

                m_socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.DontLinger, true);

                m_socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);

                m_socket.SendTimeout = 5000;
                m_socket.ReceiveTimeout = 5000;

                m_frm.Print("Connecting to " + ECCServerIP + " at port " + ECCServerPort + " ...");
                m_socket.Connect(ECCServerIP, Convert.ToInt32(ECCServerPort));
            }
            catch (Exception ex)
            {
                m_frm.Print("Error!Failed to connect to ECC server!" + ex.Message);
                return false;
            }

            if (!Authenticate())
                return false;

            return true;
        }