GpsInfoView/Form1.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using GpsInfoNS;
using System.IO.Ports;

namespace GpsInfoView
{
    public partial class Form1 : Form
    {
        SerialPort serialPort;
        GpsInfo gpsInfoObj;

        System.Timers.Timer timer;

        public Form1()
        {
            InitializeComponent();

            Control.CheckForIllegalCrossThreadCalls = false;

            serialPort = new SerialPort();
            serialPort.DataReceived += new SerialDataReceivedEventHandler(serialPort_DataReceived);
            cboPortName.Items.AddRange(SerialPort.GetPortNames());

            gpsInfoObj = new GpsInfo();

            timer = new System.Timers.Timer();
            timer.Enabled = false;
            timer.Interval = 50;
            timer.Elapsed += new System.Timers.ElapsedEventHandler(timer_Elapsed);

        }

        void timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
        {
            try
            {
                Gpgga gpgga = gpsInfoObj.GetGpgga();
                lblUtcTime.Text = "UTC Time:" + gpgga._utcHour + ":" + gpgga._utcMinute + ":"  + gpgga._utcSecond;
                lblLat.Text = "Lat:" + gpgga._latitude + gpgga._latitudeDirection;
                lblLon.Text = "Lon:" + gpgga._longitude + gpgga._longitudeDirection;
                lblGpsQI.Text = "Gps Quality:" + gpgga._gpsQualityIndicator;
                lblUsedSatellite.Text = "Used Satellite:" + gpgga._usedSatellites;
                lblSeaLevel.Text = "Sea leavel:" + gpgga._seaLevel + gpgga._seaLevelUnit;

                Gprmc gprmc = gpsInfoObj.GetGprmc();

                lblDate.Text = "Date:" + gprmc._year + gprmc._month + gprmc._day;
                lblSpeed.Text = "Speed(KM/H):" + gprmc._speed;
                lblCog.Text = "Course of ground:" + gprmc._cog;
            }

            catch (Exception)
            {