[C#] Web Browser Source

[Elite_Modz]

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Net;

namespace Browser1
{
  public partial class UserControl1 : UserControl
  {
  public UserControl1()
  {
  InitializeComponent();
  }

  private void UserControl1_Load(object sender, EventArgs e)
  {

  }

  #region Design
  public void Design_1()
  {
  //Progressbar for Loading
  progressBar1.Visible = true;
  progressBar2.Visible = true;

  //Side Panels
  panel_1.Visible = true;
  panel_2.Visible = true;
  }

  public void Design_2()
  {

  }
  #endregion

  #region Search
  public void Search_1()
  {
  try
  {
  if (String.IsNullOrEmpty(textBox1.Text))
  {

  }
  else
  {
  if (textBox1.Text.Contains("https://"))
  {
  Load_1();
  webBrowser1.ScriptErrorsSuppressed = true;
  webBrowser1.Navigate(textBox1.Text);
  //BrowserTitle();
  }
  else if (textBox1.Text.Contains("http://"))
  {
  Load_1();
  webBrowser1.ScriptErrorsSuppressed = true;
  webBrowser1.Navigate(textBox1.Text);
  //BrowserTitle();
  }
  else if (!textBox1.Text.Contains("."))
  {
  Load_1();
  webBrowser1.ScriptErrorsSuppressed = true;
  webBrowser1.Navigate("https://www.google.com/search?q=" + textBox1.Text);
  //BrowserTitle();
  }
  else
  {
  Load_1();
  webBrowser1.ScriptErrorsSuppressed = true;
  webBrowser1.Navigate("https://" + textBox1.Text);
  //BrowserTitle();
  }
  }
  }
  catch (Exception ex)
  {
  MessageBox.Show(ex.Message);
  }
  }

  public void Search_2()
  {

  }

  public void Load_1()
  {
  panel1.Enabled = false;
  }

  public static void BrowserTitle()
  {
  UserControl1 userControl1 = new UserControl1();
  //userControl1.BrowserUrl();
  //Form1.TabTitle(BrowserUrl());
  //MessageBox.Show(BrowserUrl());

  Form1 form1 = new Form1();
  form1.tabControl1.TabPages[form1.tabControl1.SelectedIndex].Text = userControl1.webBrowser1.DocumentTitle.ToString();
  form1.tabControl1.SelectedTab.Text = userControl1.webBrowser1.DocumentTitle.ToString();
  form1.tabControl1.Refresh();
  }
  #endregion

  public string BrowserUrl()
  {
  if (!String.IsNullOrEmpty(webBrowser1.Url.ToString()))
  {
  return GetWebPageTitle(webBrowser1.Url.ToString());
  }
  else
  {
  return null;
  }
  }

  public static string GetWebPageTitle(string url)
  {
  // Create a request to the url

  HttpWebRequest request = HttpWebRequest.Create(url) as HttpWebRequest;

  // If the request wasn’t an HTTP request (like a file), ignore it

  if (request == null) return null;

  // Use the user’s credentials

  request.UseDefaultCredentials = true;

  // Obtain a response from the server, if there was an error, return nothing

  HttpWebResponse response = null;

  try { response = request.GetResponse() as HttpWebResponse; }

  catch (WebException) { return null; }

  // Regular expression for an HTML title

  string regex = @"(?<=<title.*>)([\s\S]*)(?=</title>)";

  // If the correct HTML header exists for HTML text, continue

  if (new List<string>(response.Headers.AllKeys).Contains("Content-Type"))

  if (response.Headers["Content-Type"].StartsWith("text/html"))
  {
  // Download the page

  WebClient web = new WebClient();

  web.UseDefaultCredentials = true;

  string page = web.DownloadString(url);

  // Extract the title

  Regex ex = new Regex(regex, RegexOptions.IgnoreCase);

  return ex.Match(page).Value.Trim();
  }

  // Not a valid HTML page

  return null;

  }


  private void label2_Click(object sender, EventArgs e)
  {
  progressBar1.Visible = true;
  progressBar2.Visible = true;
  progressBar1.Value = 100;
  progressBar2.Value = 100;
  Search_1();
  }

  private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
  {
  if (e.KeyChar == (char)ConsoleKey.Enter)
  {
  Search_1();
  }
  }

  private void webBrowser1_DocumentCompleted_1(object sender, WebBrowserDocumentCompletedEventArgs e)
  {
  panel1.Enabled = true;
  }

  private void label5_Click(object sender, EventArgs e)
  {
  progressBar1.Visible = true;
  progressBar2.Visible = true;
  progressBar1.Value = 0;
  progressBar2.Value = 0;
  //BrowserTitle();
  }

  private void webBrowser1_NewWindow(object sender, CancelEventArgs e)
  {

  }
  }
}