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  1. using System;
  2. using System.IO;
  3. using System.Net;
  4. using System.Windows.Forms;
  5. using System.Diagnostics;
  6.  
  7. namespace ProxyBrowser
  8. {
  9.     public class WebBrowserEx : WebBrowser
  10.     {
  11.         private string prevPage = null;
  12.  
  13.         public WebBrowserEx(): base()
  14.         {        
  15.             Initialize();
  16.  
  17.             Document.Click += new HtmlElementEventHandler(Document_Click);
  18.         }
  19.  
  20.         private void Document_Click(object sender, HtmlElementEventArgs e)
  21.         {
  22.             string text = null;
  23.             string link = null;
  24.  
  25.             HtmlElement element = this.Document.GetElementFromPoint(e.MousePosition);
  26.  
  27.             if (element.TagName == "a" || element.TagName == "A")
  28.             {
  29.                 text = element.OuterText;
  30.                 link = element.GetAttribute("href");
  31.             }
  32.             else if (element.Parent != null)
  33.             {
  34.                 text = element.Parent.OuterText;
  35.                 link = element.Parent.GetAttribute("href");
  36.             }
  37.  
  38.             if (link != null && link != "")
  39.             {
  40.                 try
  41.                 {
  42.                     MessageBox.Show(text + "\n" + link);
  43.                     e.ReturnValue = false;
  44.                 }
  45.                 catch
  46.                 {
  47.                 }
  48.             }
  49.         }
  50.  
  51.         private void Initialize()
  52.         {
  53.             UserAgent = null;
  54.             Proxy = null;
  55.             Cookie = null;
  56.             Timeout = 5000;
  57.  
  58.         }
  59.  
  60.         public new void Navigate(string url)
  61.         {
  62.             string buffer = null; // バッファ
  63.  
  64.             HttpWebRequest req = null;
  65.             HttpWebResponse res = null;
  66.  
  67.             #region リクエストの作成
  68.             try
  69.             {
  70.                 /* リクエストの設定 */
  71.                 req = (HttpWebRequest)WebRequest.Create(url);
  72.  
  73.                 // UserAgent
  74.                 if (this.UserAgent != null)
  75.                     req.UserAgent = UserAgent;
  76.                 // Proxy
  77.                 if(this.Proxy != null)
  78.                     req.Proxy = new WebProxy(this.Proxy);
  79.                 // Cookie
  80.                 if (this.Cookie != null)
  81.                 {
  82.                     req.CookieContainer = new CookieContainer();
  83.                     req.CookieContainer.Add(this.Cookie);
  84.                 }
  85.                 // Timeout
  86.                 if (this.Timeout != 5000)
  87.                     req.Timeout = this.Timeout;
  88.  
  89.             }
  90.             catch (UriFormatException e)
  91.             {
  92.                 Debug.WriteLine(e.ToString());
  93.                 return;
  94.             }
  95.             catch (NotSupportedException e)
  96.             {
  97.                 Debug.WriteLine(e.ToString());
  98.                 return;
  99.             }
  100.             catch (ArgumentException e)
  101.             {
  102.                 Debug.WriteLine(e.ToString());
  103.                 return;
  104.             }
  105.             catch (System.Security.SecurityException e)
  106.             {
  107.                 Debug.WriteLine(e.ToString());
  108.                 return;
  109.             }
  110.             #endregion
  111.  
  112.             try
  113.             {
  114.                 res = (HttpWebResponse)req.GetResponse();
  115.  
  116.                 Stream st = res.GetResponseStream();
  117.  
  118.                 using (StreamReader sr = new StreamReader(st))
  119.                     buffer = sr.ReadToEnd();
  120.  
  121.                 st.Close();
  122.             }
  123.             catch (WebException e)
  124.             {
  125.                 Debug.WriteLine(e);
  126.                 return;
  127.             }
  128.             catch (ProtocolViolationException e)
  129.             {
  130.                 Debug.WriteLine(e);
  131.                 return;
  132.             }
  133.             catch (InvalidOperationException e)
  134.             {
  135.                 Debug.WriteLine(e);
  136.                 return;
  137.             }
  138.         }
  139.  
  140.         public string UserAgent
  141.         { get; set; }
  142.  
  143.         public string Proxy
  144.         { get; set; }
  145.  
  146.         public CookieCollection Cookie
  147.         { get; set; }
  148.  
  149.         public int Timeout
  150.         { get; set; }
  151.     }
  152. }
  153.  
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https://ideone.com/3vAJ3
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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