望高手帮助下  每句注释下
        /// <summary>
        /// 实时监控数据采集
        /// </summary>
        /// <param name="g1"></param>
        private void AddData(string g1)
        {
            g1 = g1.Replace("40040942", "40040941");
            string[] set = new string[] { "40040941" };
            string[] str = g1.Split(set, StringSplitOptions.None);
            if (str[0].Substring(0, 4) != "4011")  
            {
                return;
            }
            else
            {
                if (str[0].Length > 34)
                {
                    ++CommunicateError;
                    if (CommunicateError > 5)
                    {
                        this.led3.Value = true;
                    }
                    return;
                }
                CommunicateError = 0;
               
                if (str[1].Substring(0, 4) = "4016")      


                {
                    if (str[2].Substring(0, 4) != "4016")
                    {
                        return;
                    }
                    else
                    {
                        Check(str[2]);
                    }
                }
                else
                {
                    Check(str[1]);
                }
                    
            }
        }