#region comPort_DataReceived
        /// <summary>
        /// method that will be called when theres data waiting in the buffer
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void comPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
        {
            //determine the mode the user selected (binary/string)
            switch (CurrentTransmissionType)
            {
                //user chose string
                case TransmissionType.Text:
                    //read data waiting in the buffer
                    string msg = comPort.ReadExisting();
                    //display the data to the user
                    DisplayData(MessageType.Incoming, msg + "\n");
                    break;
                //user chose binary
                case TransmissionType.Hex:
                    //retrieve number of bytes in the buffer
                    int bytes = comPort.BytesToRead;
                    //create a byte array to hold the awaiting data
                    byte[] comBuffer = new byte[bytes];
                    //read the data and store it
                    comPort.Read(comBuffer, 0, bytes);
                    //display the data to the user
                    DisplayData(MessageType.Incoming, ByteToHex(comBuffer) + "\n");
                    break;
                default:
                    //read data waiting in the buffer
                    string str = comPort.ReadExisting();
                    //display the data to the user
                    DisplayData(MessageType.Incoming, str + "\n");
                    break;
            }
        }
        #endregion

//read data waiting in the buffer
                    string msg = comPort.ReadExisting();
                    //display the data to the user
                    DisplayData(MessageType.Incoming, msg + "\n");

QDSNO	40
DATE	20170626
TIME	113900
DOC	
OPID	0
MODE	32
WRN	0
PM1	11
PM2	131
RM1	33

WM1	19
WM2	41
WM3	65
PART	5
EM1	41
BM1	59
PARN	29
P01	5,58	0
P02	4,90	0
P03	 129	0
P04	37,31	0
P05	  76	0
P06	26,2	2
P07	 345	0
 {!!!!!} 
P08	 244	0
P09	0,17	0
P10	 6,9	2
P11	 8,0	0
P12	35,2	0
P13	44,5	1
P14	14,1	0
P15	3,11	0
P16	0,47	0
P17	1,85	2
P18	55,8	1
P19	 8,
 {!!!!!} 
5	1
P20	33,1	2
P21	 8,0	0
P22	 5,0	2
P24	0,08	0
P25	0,06	0
P26	 1,5	0
P27	 1,1	0
P28	4900	0
P29	4900	0
AGE	0

VDSNO	120
DATE	20170707
TIME	112100
SID	17
PID	2074
NAME	
BIRTH	00000000
SEX	0
DOC	
OPID	0
MODE	32
WRN	0
PM1	11
PM2	158
RM1	40
WM1	17
WM2	42
WM3	67
PART	5
EM1	42
BM1	59
PARN	29
P01	5,01	0
P02	5,17	0
P03	 160	0
P04	45,42	0
P05	  88	0
P06	31,1	0
P07	 353	1
P08	 220	0
P09	0,20	0
P10	 9,1	0
P11	13,1	0
P12	41,0	0
P13	49,2	1
P14	13,2	0
P15	1,20	2
P16	0,31	0
P17	3,42	0
P18	23,9	2
P19	 6,1	0
P20	68,2	0
P21	 8,0	0
P22	 5,0	2
P24	0,04	0
P25	0,05	0
P26	 0,7	0
P27	 1,0	0
P28	4900	0
P29	4900	0
AGE	0
1F