NavigateurAndCo/NavigateurWeb/Form1.cs

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 System.IO;

namespace NavigateurWeb
{
    public partial class Form1 : Form
    {
        ContextMenuStrip fav = new ContextMenuStrip();
        public Form1()
        {
            InitializeComponent();
            if(File.Exists("fav.txt"))
            {
                ReadFav();
            }
            fav.ItemClicked += new ToolStripItemClickedEventHandler(this.fav_ItemClicked);
        }

        public void loadUrl()
        {
            String address = txtBoxAddress.Text;
            if (String.IsNullOrEmpty(address)) return;
            if (address.Equals("about:blank")) return;
            if (!address.StartsWith("http://") &&
                !address.StartsWith("https://"))
            {
                address = "http://" + address;
            }
            try
            {
                webBrowser1.Navigate(new Uri(address));
            }
            catch (System.UriFormatException)
            {
                return;
            }
        }

        

        private void pbGo_Click(object sender, EventArgs e)
        {
            loadUrl();
        }

        private void pbRefresh_Click(object sender, EventArgs e)
        {
            txtBoxAddress.Text = Settings1.Default.home;
            loadUrl();
        }

        private void pbBack_Click(object sender, EventArgs e)
        {
            webBrowser1.GoBack();
            txtBoxAddress.Text = webBrowser1.Url.ToString();
        }

        private void pbUp_Click(object sender, EventArgs e)
        {
            webBrowser1.GoForward();
            txtBoxAddress.Text = webBrowser1.Url.ToString();
        }

        private void pbHome_Click(object sender, EventArgs e)
        {
            webBrowser1.Refresh();
            txtBoxAddress.Text = webBrowser1.Url.ToString();
        }

        private void txtBoxAddress_KeyUp(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
                loadUrl();
        }

        private void pbFav_Click(object sender, EventArgs e)
        {
            fav.Show(MousePosition);
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            WriteFav();
            MailSettings.Default.Save();
            Settings1.Default.Save();
        }
        public void WriteFav()
        {
            using (StreamWriter sw = new StreamWriter("fav.txt"))
            {
                foreach(ToolStripMenuItem favText in fav.Items)
                {
                    sw.WriteLine(favText.ToString());
                }
            }
        }
        public void ReadFav()
        {
            fav.Items.Clear();
            using (StreamReader sr = new StreamReader("fav.txt"))
            {
                string favText;
                while ((favText = sr.ReadLine()) != null)
                {
                    fav.Items.Add(favText.ToString());
                }
            }
        }

        private void pbAddFav_Click(object sender, EventArgs e)
        {
            fav.Items.Add(txtBoxAddress.Text);
        }
        private void fav_ItemClicked(Object sender, ToolStripItemClickedEventArgs e)
        {
            txtBoxAddress.Text = e.ClickedItem.Text;
            loadUrl();
        }

        private void webBrowser1_Navigated(object sender, WebBrowserNavigatedEventArgs e)
        {
            txtBoxAddress.Text = webBrowser1.Url.ToString() ;
        }

        private void pbSendMail_Click(object sender, EventArgs e)
        {
            MailTo mail = new MailTo();
            mail.ShowDialog();
        }
    }
}