public void RemoveClient(TcpClient client)
        {
            var sender = Senders.Where(p => p.Tcp != null && p.Tcp.Equals(client)).FirstOrDefault();

            if (sender != null)
            {
                sender.Tcp.Close();
                Senders.Remove(sender);
            }
        }
        public Sender GetSender(TcpClient client)
        {
            var sender = Senders.Where(p => p.Tcp != null && p.Tcp.Equals(client)).FirstOrDefault();

            return(sender);
        }