public static bool SendString(TcpClient client, string command)
        {
            /*
             * byte[] b = Encoding.Unicode.GetBytes(command);
             * client.GetStream().Write(b, 0, b.Length);
             * client.GetStream().Flush();
             */

            if (client != null && client.Connected)
            {
                try
                {
                    StreamWriter wr = new StreamWriter(client.GetStream(), Encoding.Unicode);
                    wr.WriteLine(AESEncrypt.EncryptToString(command));
                    wr.Flush();
                    return(true);
                }
                catch (Exception e)
                {
                    return(false);
                }
            }
            else
            {
                return(false);
            }
        }