public List <MessageHandler> ReadMessages()
        {
            FileChecker.CreateFile();

            using (StreamReader sr = new StreamReader(FileChecker.filepath))
            {
                using (JsonReader reader = new JsonTextReader(sr))
                {
                    messages = jsonSerializer.Deserialize <List <MessageHandler> >(reader);
                    if (messages is null)
                    {
                        messages = new List <MessageHandler>();
                    }
                    if (messages.Count > 0 &&
                        messages[messages.Count - 1].MessageCode != "-1")
                    {
                        messages.Add(new MessageHandler()
                        {
                            MessageCode = "-1",
                            MessageType = MessageTypes.NORMAL
                        });
                    }
                    return(messages);
                }
            }
        }
        /// <summary>
        /// Write all the messages in the message list at once
        /// </summary>
        public void WriteMessagesAtOnce()
        {
            FileChecker.CreateFile();

            using (StreamWriter sw = new StreamWriter(FileChecker.filepath))
            {
                using (JsonWriter writer = new JsonTextWriter(sw))
                {
                    if (messages is null)
                    {
                        messages = new List <MessageHandler>();
                    }
                    messages.RemoveAll(x => x.MessageCode == "-1");
                    if (messages.Count > 0)
                    {
                        sw.Write(JsonConvert.SerializeObject(messages, Formatting.Indented));
                    }
                    sw.Close();
                }
            }
        }