c# pppoe dialer updated with avg speed display

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using DotRas;
using Microsoft.Win32;
using System.Net;
using System.IO;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.Diagnostics;


namespace pppoe_dialer___zaib_last
{


    public partial class Form1 : Form
    {
        public class Globals
        {
            public static string PPPNAME = "Internet-Dialer";
        }
        private Timer _timer;
        private DateTime _startTime = DateTime.MinValue;
        private TimeSpan _currentElapsedTime = TimeSpan.Zero;
        private TimeSpan _totalElapsedTime = TimeSpan.Zero;
        private bool _timerRunning = false;

        DateTime _started = DateTime.UtcNow;
        DateTime startTime = new DateTime();
        private NetworkInterface[] nicArr;
        int lanInterval = 2; //3 sec
        int netInterval = 10; //10 sec
        private Timer timer;
        private const double timerUpdate = 1000;
        IPv4InterfaceStatistics interfaceStats;
        private long _lastBytesRecevied;
        private long _lastBytesSent;
        private DateTime _lastReceivedMesurement;
        private DateTime _lastSentMesurement;

        //private bool willClose;
        private bool connected;
        private RasHandle handle = null;
        private RasHandle Rashandler = null;
        private RasConnection connection = null;
        //DateTime startTime = new DateTime();

        public Form1()
        {
            InitializeComponent();
            // Set up a timer and fire the Tick event once per second (1000 ms)
            //textBox2.PasswordChar='*';
            InitializeNetworkInterface();
            InitializeTimer();
            _timer = new Timer();
            _timer.Interval = 1000;
            _timer.Tick += new EventHandler(_timer_Tick);


            Timer t = new Timer();
            t.Interval = 1000; //1 sec
            t.Tick += new EventHandler(t_Tick);
            t.Start();

            var conns = RasConnection.GetActiveConnections();
            var conn = conns.FirstOrDefault(o => o.EntryName == Globals.PPPNAME);
            if (conn != null)
            {
                startelptimer();
            }
            if (conn != null)
            {
                var local = NetworkInterface.GetAllNetworkInterfaces().Where(i => i.Name == Globals.PPPNAME).FirstOrDefault();
                var stringAddress = local.GetIPProperties().UnicastAddresses[0].Address.ToString();
                var ipAddress1 = IPAddress.Parse(stringAddress);
                pppip.Text = "Your Internet IP is : " + ipAddress1;
                notifyIcon1.Icon = Resource1.icon_online;
                this.pictureBox2.Image = Resource1.net_conn_image_1;

            }
            else
            {
                this.pictureBox2.Image = Resource1.net_disconnected_image_2;
                sl2.Text = "Not Connected";
                //this.StatusTextBox.AppendText(string.Format("{0}\r\n\r\n", "Dialer already connected!"));
            }

        }

        void _timer_Tick(object sender, EventArgs e)
        {
            // We do this to chop off any stray milliseconds resulting from
            // the Timer's inherent inaccuracy, with the bonus that the
            // TimeSpan.ToString() method will now show correct HH:MM:SS format
            var timeSinceStartTime = DateTime.Now - _startTime;
            timeSinceStartTime = new TimeSpan(timeSinceStartTime.Hours,
                                              timeSinceStartTime.Minutes,
                                              timeSinceStartTime.Seconds);

            // The current elapsed time is the time since the start button was
            // clicked, plus the total time elapsed since the last reset
            _currentElapsedTime = timeSinceStartTime + _totalElapsedTime;

            // These are just two Label controls which display the current
            // elapsed time and total elapsed time
            //sl.Text = _currentElapsedTime.ToString();
            sl2.Text = timeSinceStartTime.ToString();
        }

        private void timerdialer_Tick(object sender, EventArgs e)
        {
            var timeSinceStartTime = DateTime.Now - _startTime;
            timeSinceStartTime = new TimeSpan(timeSinceStartTime.Hours,
                                              timeSinceStartTime.Minutes,
                                              timeSinceStartTime.Seconds);

            // The current elapsed time is the time since the start button was
            // clicked, plus the total time elapsed since the last reset
            _currentElapsedTime = timeSinceStartTime + _totalElapsedTime;

            // These are just two Label controls which display the current
            // elapsed time and total elapsed time
            //sl.Text = _currentElapsedTime.ToString();
            sl2.Text = timeSinceStartTime.ToString();
        }


        private void timerStart_Click(object sender, EventArgs e)
        {
            // If the timer isn't already running
            // Set the start time to Now
            _startTime = DateTime.Now;

            // Store the total elapsed time so far
            //_totalElapsedTime = _currentElapsedTime;

            _timer.Start();
            _timerRunning = true;

        }

        private void InitializeNetworkInterface()
        {

            // Grab all local interfaces to this computer
            nicArr = NetworkInterface.GetAllNetworkInterfaces();
            // Add each interface name to the combo box
            for (int i = 0; i < nicArr.Length; i++)
                cmbInterface.Items.Add(nicArr[i].Name);
            // Change the initial selection to the first interface
            cmbInterface.SelectedIndex = 0;
        }

        private void InitializeTimer()
        {
            timer = new Timer();
            timer.Interval = (int)timerUpdate;
            timer.Tick += new EventHandler(timer_Tick);
            timer.Start();
        }

        void t_Tick(object sender, EventArgs e)
        {
            lanInterval--;
            netInterval--;

            if (lanInterval == 0)
            {
                checkpppstatus();
                lanInterval = 2; //reset to base value
            }

            if (netInterval == 0)
            {
                checknetstatus();
                netInterval = 10; //reset to base value
            }
        }
        protected void checkpppstatus()
        {
            this.Invoke((MethodInvoker)delegate
            {
                var conns = RasConnection.GetActiveConnections();
                var conn = conns.FirstOrDefault(o => o.EntryName == Globals.PPPNAME);
                if (conn != null)
                {
                    connstatus.Text = "Dialer Status: Connected!";
                    connstatus.ForeColor = System.Drawing.Color.Green;
                }
                else
                {
                    connstatus.Text = "Dialer Status: Disconnected!";
                    connstatus.ForeColor = System.Drawing.Color.Red;
                    pppip.Text = "Your Internet IP is : Not Connected!";
                    sl2.Text = "Not Connected";
                }
            });
        }


        protected void checknetstatus()
        {
            if (IsOnline(textBox1.Text) == true)
            {
                internetStatus.ForeColor = System.Drawing.Color.Green;
                string Status = "Internet Stauts: UP";
                internetStatus.Text = Status;
            }
            else
            {
                internetStatus.ForeColor = System.Drawing.Color.Red;
                string Status = "Internet Stauts: DOWN";
                internetStatus.Text = Status;
            }
        }

        protected void Displaynotify()
        {
            try
            {
                notifyIcon1.BalloonTipTitle = "You have successfully connected to the Internet ...";
                notifyIcon1.BalloonTipText = "Internet Connected ...";
                notifyIcon1.Visible = true;
                notifyIcon1.ShowBalloonTip(5000);
            }
            catch (Exception ex)
            {
            }
        }



        protected void stopelptimer()
        {
            // If the timer isn't already running
            // Set the start time to Now
            _startTime = DateTime.Now;

            // Store the total elapsed time so far

            //_totalElapsedTime = _currentElapsedTime;

            _timer.Stop();
            _timerRunning = false;
            TimeSpan _currentElapsedTime = TimeSpan.Zero;
            TimeSpan _totalElapsedTime = TimeSpan.Zero;
            _totalElapsedTime = _currentElapsedTime;

            _timer.Stop();
            _timerRunning = false;

        }




        protected void startelptimer()
        {
            // If the timer isn't already running
            // Set the start time to Now
            _startTime = DateTime.Now;

            // Store the total elapsed time so far
            //_totalElapsedTime = DateTime.Now;
            _timer.Start();
            _timerRunning = true;
        }

        protected void Displaynotifyfordisconnect()
        {
            try
            {
                notifyIcon1.BalloonTipTitle = "My PPPoE Dialer DISCONNECTED !!!";
                notifyIcon1.BalloonTipText = "Internet Disconnected !!!";
                notifyIcon1.Visible = true;
                notifyIcon1.ShowBalloonTip(5000);
                //                MessageBox.Show("DC");
                {
                    this.Invoke((MethodInvoker)delegate
                    {
                        this.StatusTextBox.AppendText(string.Format("{0}\r\n\r\n", "\r\nDialer Disconnected!"));
                    });
                }
            }
            catch (Exception ex)
            {
            }
        }


        private void saveCredential(string username, string password, bool remember, bool auto)
        {
            RegistryKey hkcu = Registry.CurrentUser;
            RegistryKey software = hkcu.OpenSubKey("Software", true);
            RegistryKey zaib = software.CreateSubKey("zaib");
            zaib.SetValue("username", username, RegistryValueKind.String);
            zaib.SetValue("password", password, RegistryValueKind.String);
            zaib.Close();
        }


        private void readCredential()
        {
            RegistryKey hkcu = Registry.CurrentUser;
            RegistryKey software = hkcu.OpenSubKey("Software", true);
            RegistryKey zaib = software.CreateSubKey("zaib");
            try
            {
                textBox1.Text = (string)zaib.GetValue("username", "");
                textBox2.Text = (string)zaib.GetValue("password", "");
                //checkRemember.Checked = ((int)zaib.GetValue("remember") == 1);
                //checkAuto.Checked = ((int)zaib.GetValue("auto") == 1);
            }
            catch (Exception ex)
            {
                // never saved
            }
            zaib.Close();
        }


        private void Form1_Move_1(object sender, EventArgs e)
        {
            if (this.WindowState == FormWindowState.Minimized)
            {
                this.Hide();
                notifyIcon1.ShowBalloonTip(2000, "My PPPoE Dialer", "The App has be moved to the tray.", ToolTipIcon.Info);
                checkpppstatus();
                //timer.Dispose();
                //this.Dispose();
            }
        }


        private void button1_Click(object sender, EventArgs e)
        {
            string path;
            path = RasPhoneBook.GetPhoneBookPath(RasPhoneBookType.User);
            using (RasPhoneBook pbk = new RasPhoneBook())
            {
                pbk.Open(path);
                RasEntry entry = RasEntry.CreateBroadbandEntry(Globals.PPPNAME, RasDevice.GetDeviceByName("PPPOE", RasDeviceType.PPPoE, false));
                // Configure any options for your entry here via entry.Options
                entry.RedialCount = 99;
                // Finally Add the PPPOE Dialer in the network connection , hurrahhhh , zaib
                // If Preiovus Entry found, delete, and reacreate
                var conns = RasConnection.GetActiveConnections();
                var conn = conns.FirstOrDefault(o => o.EntryName == Globals.PPPNAME);
                if (conn != null)
                {
                    MessageBox.Show("Same Dialer Already Connected! First Disconnect it to re-create new.");
                    return;
                }
                pbk.Entries.Clear();
                rasDialer1.Credentials = new System.Net.NetworkCredential(textBox1.Text, textBox2.Text);
                rasDialer1.AllowUseStoredCredentials = true;

                pbk.Entries.Add(entry);
                // If Dialer Create, show successfull message.
                MessageBox.Show("Internet Dialer created Successfully.");
                saveCredential("test", "test", true, true);
                ///// SHORTCUT BEGINE

                string destDir = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
                string destFileName = @"Connect To My Internet Dialer.lnk";

                // Create .lnk file
                string path2 = System.IO.Path.Combine(destDir, destFileName);
                FileStream fs = File.Create(path2);
                fs.Close();

                // Instantiate a ShellLinkObject that references the .lnk we created
                Shell32.Shell shell = new Shell32.Shell();
                Shell32.Folder shellFolder = shell.NameSpace(destDir);
                Shell32.FolderItem shellFolderItem = shellFolder.Items().Item(destFileName);
                Shell32.ShellLinkObject shellLinkObject = (Shell32.ShellLinkObject)shellFolderItem.GetLink;

                // Set .lnk properties
                shellLinkObject.Arguments = "-d pppoe2";
                shellLinkObject.Description = Globals.PPPNAME;
                shellLinkObject.Path = @"%windir%\System32\rasphone.exe";
                shellLinkObject.WorkingDirectory = "%windir%";

                shellLinkObject.Save(path2);
                //// SHORTCUT END



            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }
        private void textBox1_TextChanged(object sender, EventArgs e)
        {
        }
        private void textBox2_TextChanged(object sender, EventArgs e)
        {
        }
        private void textBox1_Click(object sender, EventArgs e)
        {
            //    textBox1.Clear();
        }
        private void Button2_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        private void textBox2_Click(object sender, EventArgs e)
        {
            //textBox2.Clear();
        }
        private void label1_Click_1(object sender, EventArgs e)
        {
            System.Diagnostics.Process.Start("https://aacable.wordpress.com");
        }
        private void pictureBox2_Click(object sender, EventArgs e)
        {
            System.Diagnostics.Process.Start("https://aacable.wordpress.com");
        }
        private void button2_Click_1(object sender, EventArgs e)
        {

            RasHandle handle = null;
            using (RasDialer dialer = new RasDialer())
            {
                dialer.StateChanged += new EventHandler<StateChangedEventArgs>(rasDialer1_StateChanged);
                dialer.EntryName = (Globals.PPPNAME);
                {
                    // this.StatusTextBox.AppendText(string.Format("{0}\r\n\r\n", "OK ...", "{0}\r\n\r\n"));
                };

                //this.StatusTextBox.AppendText(string.Format("{0}\r\n\r\n", "Connection in progress ...", "{0}\r\n\r\n"));
                dialer.StateChanged += new EventHandler<StateChangedEventArgs>(rasDialer1_StateChanged);
                dialer.EntryName = (Globals.PPPNAME);
                string username = textBox1.Text;
                string passwd = textBox2.Text;
                dialer.Credentials = new System.Net.NetworkCredential(textBox1.Text, textBox2.Text);
                dialer.PhoneBookPath = RasPhoneBook.GetPhoneBookPath(RasPhoneBookType.User);
                dialer.Timeout = 1000;
                dialer.AllowUseStoredCredentials = true;
                dialer.EntryName = (Globals.PPPNAME);
                rasDialer1.EntryName = (Globals.PPPNAME);
                rasDialer1.Credentials = new System.Net.NetworkCredential(textBox1.Text, textBox2.Text);
                rasDialer1.PhoneBookPath = RasPhoneBook.GetPhoneBookPath(RasPhoneBookType.User);

                // If username or password window is empty , post error
                if (string.IsNullOrWhiteSpace(textBox1.Text))
                {
                    this.StatusTextBox.AppendText(string.Format("{0}\r\n\r", "You must enter username/password in order to dial", "{0}\r\n"));
                    //MessageBox.Show("Enter username.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    return;
                }
                //
                var conns = RasConnection.GetActiveConnections();
                var conn = conns.FirstOrDefault(o => o.EntryName == Globals.PPPNAME);
                if (conn != null)
                {
                    this.StatusTextBox.AppendText(string.Format("{0}\r\n\r\n", "Dialer already connected!"));
                    //MessageBox.Show("Dialer - Already connected!");
                }
                else

                    handle = rasDialer1.DialAsync();
            }
        }

        private void StatusTextBox_TextChanged(object sender, EventArgs e)
        {
            //   MessageBox.Show("abc1");
        }

        private void rasDialer1_StateChanged(object sender, StateChangedEventArgs e)
        {
            this.Invoke((MethodInvoker)delegate
            {
                this.StatusTextBox.AppendText(string.Format(e.State.ToString() + "\r\n"));
                checkpppstatus();
            });
        }


        private void rasDialer1_DialCompleted(object sender, DialCompletedEventArgs e)
        {
            {
                if (e.Cancelled)
                {
                    MessageBox.Show("Cancelled");
                }
                else if (e.TimedOut)
                {
                    MessageBox.Show("Time out");
                }
                else if (e.Error != null)
                {
                    MessageBox.Show(e.Error.ToString(), "Error");
                }
                else if (e.Connected)
                {
                    //label9.Text = 0 + "";
                    //timerdialer.Start();

                    //MessageBox.Show("Connection successful zaib!");
                    //this.StatusTextBox.AppendText(string.Format("{0}\r\n\r\n", "Connected!"));
                    //string newText = "abc";
                    var conn = RasConnection.GetActiveConnections().Where(c => c.EntryName == Globals.PPPNAME).FirstOrDefault();
                    RasIPInfo ipAddresses = (RasIPInfo)conn.GetProjectionInfo(RasProjectionType.IP);
                    this.StatusTextBox.AppendText(string.Format("{0}\r\n", "Your internet ip is", ipAddresses.IPAddress.ToString()));
                    this.StatusTextBox.AppendText(string.Format("{0}  ", ipAddresses.IPAddress.ToString()));
                    saveCredential("test", "test", true, true);
                    var local = NetworkInterface.GetAllNetworkInterfaces().Where(i => i.Name == Globals.PPPNAME).FirstOrDefault();
                    var stringAddress = local.GetIPProperties().UnicastAddresses[0].Address.ToString();
                    var ipAddress1 = IPAddress.Parse(stringAddress);
                    pppip.Text = "Your Internet IP is : " + ipAddress1;
                    //gwLabel.Text = "Gateway is : " + ";
                    ShowInTaskbar = true;
                    this.Hide();
                    InitializeNetworkInterface();
                    //Displaynotify();
                    UpdateNetworkInterface();
                    stopelptimer();
                    startelptimer();
                }
            }
        }






        private void dcButton_Click(object sender, EventArgs e)
        {
            var conns = RasConnection.GetActiveConnections();
            var conn = conns.FirstOrDefault(o => o.EntryName == Globals.PPPNAME);
            if (conn != null)
            {
                //InitializeNetworkInterface();
                conn.HangUp();

                //MessageBox.Show("Disconnect on User Request");
                this.StatusTextBox.AppendText(string.Format("{0}\r\n\r\n", "\r\nDisconnected on user request !"));
                //timer.Dispose();

                //lblSpeed.Text = "-";
                lblInterfaceType.Text = "-";
                //lblSpeed.Text = "-";
                //lblBytesReceived.Text = "-";
                //lblBytesSent.Text = "-";
                lblUpload.Text = "-";
                lblDownload.Text = "-";

                connstatus.ForeColor = Color.Red;
                checkpppstatus();
                this.Hide();
                Displaynotifyfordisconnect();
            }
            else
                MessageBox.Show("Dialer is not Active !", Globals.PPPNAME);
        }




        private void rasDialer1_Error(object sender, System.IO.ErrorEventArgs e)
        {
            //this.StatusTextBox.AppendText(string.Format("{0}\r\n\r\n", "\r\n AUTO DC DONT KNOW !"));
            MessageBox.Show("UNKOWN!!!!!!!!!!!!");
        }



        private void Form1_Resize(object sender, EventArgs e)
        {
            notifyIcon1.Text = "My Internet Dialer";
        }

        private void notifyIcon1_MouseDoubleClick(object sender, MouseEventArgs e)
        {
            this.Show();
            this.WindowState = FormWindowState.Normal;
        }


        private void notifyIcon1_MouseDoubleClick_1(object sender, MouseEventArgs e)
        {
            Show();
            WindowState = FormWindowState.Normal;
        }

        private void notifyIcon1_MouseMove(object sender, MouseEventArgs e)
        {
            notifyIcon1.Text = "My Internet Dialer";
        }

        private void notifyIcon1_BalloonTipClicked(object sender, EventArgs e)
        {

        }




        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {


        }

        private void notifyIcon1_BalloonTipShown(object sender, EventArgs e)
        {
        }

        private void Form1_Load_1(object sender, EventArgs e)
        {
            timer4dt.Start();
            datelabel.Text = DateTime.Now.ToLongDateString();
            timelabel.Text = DateTime.Now.ToLongTimeString();
            readCredential();
            checkpppstatus();
            Timer MyTimer = new Timer();
            MyTimer.Interval = 5000;
            MyTimer.Tick += new EventHandler(MyTimer_Tick);
            MyTimer.Start();

            Timer MyTimer10 = new Timer();
            MyTimer10.Interval = 5000;
            MyTimer10.Tick += new EventHandler(MyTimer_Tick);
            MyTimer10.Start();
            var conns = RasConnection.GetActiveConnections();
            var conn = conns.FirstOrDefault(o => o.EntryName == Globals.PPPNAME);
            if (conn != null)
                this.StatusTextBox.AppendText(string.Format("{0}\r\n\r\n", "Dialer already connected!"));
        }
        private void MyTimer_Tick(object sender, EventArgs e)
        {
            //checkpppstatus();
        }
        private void MyTimer10_Tick(object sender, EventArgs e)
        {
            //    checknetstatus();
        }


        private void contextMenuStrip1_DoubleClick(object sender, EventArgs e)
        {
            this.Show();
        }

        private void showToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Show();
        }

        private void exitToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        private void notifyIcon1_Click(object sender, EventArgs e)
        {
            this.Show();
            WindowState = FormWindowState.Normal;
        }

        private void label3_Click(object sender, EventArgs e)
        {

        }

        private void connstatus_Click(object sender, EventArgs e)
        {

        }

        private void connstatus_Click_1(object sender, EventArgs e)
        {

        }


        private void rasDialDialog1_Error(object sender, RasErrorEventArgs e)
        {
        }

        private void rasConnectionWatcher1_Disconnected(object sender, RasConnectionEventArgs e)
        {
            checkpppstatus();
            notifyIcon1.Icon = Resource1.icon_standby;
            this.pictureBox2.Image = Resource1.net_disconnected_image_2;
            Displaynotifyfordisconnect();
            //i = +0;
            stopelptimer();


        }

        private void rasConnectionWatcher1_Connected(object sender, RasConnectionEventArgs e)
        {
            UpdateNetworkInterface();
            Displaynotify();
            //startelptimer();
            notifyIcon1.Icon = Resource1.icon_online;
            this.pictureBox2.Image = Resource1.net_conn_image_1;
        }

        private void rasConnectionWatcher1_Error(object sender, ErrorEventArgs e)
        {
            MessageBox.Show("ERR");
        }

        private void rasPhoneBookDialog1_ChangedEntry(object sender, RasPhoneBookDialogEventArgs e)
        {
            MessageBox.Show("ENTRY CHANGED");
        }


        // Tafreeh start

        public bool IsOnline(string website)
        {
            Ping x = new Ping();
            PingReply reply = x.Send(IPAddress.Parse("8.8.8.8")); //enter ip of the machine
            if (reply.Status == IPStatus.Success) // here we check for the reply status if it is success it means the host is reachable
            {
                return true;
                //     status.Text = "Available. And Round Trip Time of the packet is:" + reply.RoundtripTime.ToString();
            }
            else //if host is not reachable.
                return false;
            //   status.Text = "Not available";
        }
        //}



        private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            System.Diagnostics.Process.Start("https://aacable.wordpress.com");
        }

        // // INTERFACE DOWNLOAD UPLOAD SETTINGA
        private void UpdateNetworkInterface()
        {
            this.Invoke((MethodInvoker)delegate
            {
                NetworkInterface nic = nicArr[cmbInterface.SelectedIndex];
                interfaceStats = nic.GetIPv4Statistics();
                long lngBytesSent = 0;
                long lngBtyesReceived = 0;
                int bytesSentSpeed = (int)(interfaceStats.BytesSent - lngBytesSent) / 1024;
                int bytesReceivedSpeed = (int)(interfaceStats.BytesReceived - lngBtyesReceived) / 1024;

                _lastReceivedMesurement = DateTime.UtcNow;
                _lastBytesRecevied = interfaceStats.BytesReceived;

                _lastSentMesurement = DateTime.UtcNow;
                _lastBytesSent = interfaceStats.BytesSent;

                var averagedownspeed = getKBDownloadSpeed();
                var averageupspeed = getKBUploadSpeed();

                // Update the labels
                lblInterfaceType.Text = nic.NetworkInterfaceType.ToString();
                lblUpload.Text = bytesSentSpeed.ToString() + " KB";
                lblDownload.Text = bytesReceivedSpeed.ToString() + " KB";
                this.StatusTextBox.AppendText(string.Format("{0}\r\n\r\n", averagedownspeed));
                this.StatusTextBox.AppendText(string.Format("{0}\r\n\r\n", averageupspeed));
            });
        }

        private double getKBDownloadSpeed()
        {
            double result = (interfaceStats.BytesReceived - _lastBytesRecevied) / (DateTime.UtcNow - _lastReceivedMesurement).TotalSeconds;

            _lastReceivedMesurement = DateTime.UtcNow;
            _lastBytesRecevied = interfaceStats.BytesReceived;

            return result / 1024d;
        }

        private double getKBUploadSpeed()
        {
            double result = (interfaceStats.BytesSent - _lastBytesSent) / (DateTime.UtcNow - _lastSentMesurement).TotalSeconds;

            _lastSentMesurement = DateTime.UtcNow;
            _lastBytesSent = interfaceStats.BytesSent;

            return result / 1024d;
        }


        void timer_Tick(object sender, EventArgs e)
        {
            //InitializeNetworkInterface();
            var conns = RasConnection.GetActiveConnections();
            var conn = conns.FirstOrDefault(o => o.EntryName == Globals.PPPNAME);
            if (conn != null)
                UpdateNetworkInterface();
        }

        private void cmbInterface_SelectedIndexChanged(object sender, EventArgs e)
        {

        }


        private void dialerCheck_Click(object sender, EventArgs e)
        {
            //Gateway IP
            NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces();
            foreach (NetworkInterface adapter in adapters)
            {
                IPInterfaceProperties adapterProperties = adapter.GetIPProperties();
                GatewayIPAddressInformationCollection addresses =
                                           adapterProperties.GatewayAddresses;
                if (addresses.Count > 0)
                {
                    foreach (GatewayIPAddressInformation address in addresses)
                    {
                        StatusTextBox.Text += "Gateway Address  | " +
                                            address.Address.ToString() + "\r\n";

                    }
                }
            }
        }





        private void Form1_FormClosed(object sender, FormClosedEventArgs e)
        {
            //            timer.Dispose();
            //            this.Dispose();
        }

        private void timer4dt_Tick(object sender, EventArgs e)
        {
            timelabel.Text = DateTime.Now.ToLongTimeString();
            timer4dt.Start();
        }





        private void resetStats_Click(object sender, EventArgs e)
        {

            _timer.Stop();
            _timerRunning = false;

            // Reset the elapsed time TimeSpan objects
            _totalElapsedTime = TimeSpan.Zero;
            _currentElapsedTime = TimeSpan.Zero;


            //label9.Text = "--";
            //label9.Text =0+"";
        }




        private void timerStart_Click_1(object sender, EventArgs e)
        {
            // If the timer isn't already running
            if (!_timerRunning)
            {
                // Set the start time to Now
                _startTime = DateTime.Now;

                // Store the total elapsed time so far

                _totalElapsedTime = _currentElapsedTime;

                _timer.Start();
                _timerRunning = true;
            }
            else // If the timer is already running
            {
                _startTime = DateTime.Now;

                // Store the total elapsed time so far

                _totalElapsedTime = _currentElapsedTime;

                _timer.Start();
                _timerRunning = true;
            }
        }


        private void timerdialer_Tick_1(object sender, EventArgs e)
        {
            {
                // We do this to chop off any stray milliseconds resulting from
                // the Timer's inherent inaccuracy, with the bonus that the
                // TimeSpan.ToString() method will now show correct HH:MM:SS format
                var timeSinceStartTime = DateTime.Now - _startTime;
                timeSinceStartTime = new TimeSpan(timeSinceStartTime.Hours,
                                                  timeSinceStartTime.Minutes,
                                                  timeSinceStartTime.Seconds);

                // The current elapsed time is the time since the start button was
                // clicked, plus the total time elapsed since the last reset
                _currentElapsedTime = timeSinceStartTime + _totalElapsedTime;
            }



            //TimeSpan t = TimeSpan.FromSeconds(seconds);
            //this.StatusTextBox.AppendText(string.Format("{0}\r\n\r\n", "\r\nDialer Disconnected!"));
        }

        private void timerStop_Click(object sender, EventArgs e)
        {
            _timer.Stop();
            _timerRunning = false;
        }

        // tafreh2 start
        protected void checknetstatusBoxMsg()
        {
            if (IsOnline(textBox1.Text) == true)
            {
                internetStatus.ForeColor = System.Drawing.Color.Green;
                string Status = "Internet Stauts: Connected by testing 8.8.8.8";
                internetStatus.Text = Status;
                this.StatusTextBox.AppendText(string.Format("{0}\r\n", Status));
            }
            else
            {
                internetStatus.ForeColor = System.Drawing.Color.Red;
                string Status = "Internet Stauts: DOWN by testing 8.8.8.8";
                this.StatusTextBox.AppendText(string.Format("{0}\r\n ", Status, "{0}\r\n\r\n"));
            }
        }


        protected void checkpppstatusBoxMsg()
        {
            this.Invoke((MethodInvoker)delegate
            {
                var conns = RasConnection.GetActiveConnections();
                var conn = conns.FirstOrDefault(o => o.EntryName == Globals.PPPNAME);
                if (conn != null)
                {
                    string Status = "PPP Dialer Stauts: Connected";
                    this.StatusTextBox.AppendText(string.Format("{0}\r\n", Status));
                }
                else
                {
                    string Status = "PPP Dialer Stauts: Disconnected";
                    this.StatusTextBox.AppendText(string.Format("{0}\r\n", Status));
                }

            });
        }




        // tafreh2 end

        private void netStatusButton_Click(object sender, EventArgs e)
        {
            checknetstatusBoxMsg();
        }

        private void dialerLanStatus_Click(object sender, EventArgs e)
        {
            checkpppstatusBoxMsg();
        }


        private void gatewayDetails_Click(object sender, EventArgs e)
        {
            //Gateway IP
            NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces();
            this.StatusTextBox.AppendText(string.Format("{0}\r\n", "Gateway Details!"));
            foreach (NetworkInterface adapter in adapters)
            {
                IPInterfaceProperties adapterProperties = adapter.GetIPProperties();
                GatewayIPAddressInformationCollection addresses =
                                           adapterProperties.GatewayAddresses;
                if (addresses.Count > 0)
                {
                    foreach (GatewayIPAddressInformation address in addresses)
                    {
                        this.StatusTextBox.AppendText(string.Format(address.Address.ToString() + "\r\n"));
                    }
                }
            }
        }


        private void StatusTextBox_VisibleChanged(object sender, EventArgs e)
        {
            StatusTextBox.SelectionStart = textBox1.Text.Length;
            StatusTextBox.ScrollToCaret();
        }

        private void label5_Click(object sender, EventArgs e)
        {

        }



    }
}