C#

[DefaultValue("0"),
Category("Appearance"),
RefreshProperties(RefreshProperties.Repaint)]
public new string Text
{
    get { return base.Text; }
    set { base.Text = value; }
}

using System.ComponentModel;
using System.Windows.Forms;

public class TestTextBox : TextBox
{
    public TestTextBox()
    {
        Text = "0";
    }

    /* Removing the Browsable attribute or setting it to true
    prevents the control displaying 0 when dropped on a form. */
    [DefaultValue("0"),
    Browsable(false)]
    public new string Text
    {
        get { return base.Text; }
        set { base.Text = value; }
    }
}

<br />
 HttpWebRequest hRequest = (HttpWebRequest)WebRequest.Create(url);<br />
            hRequest.Accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, application/xaml+xml, application/vnd.ms-xpsdocument, application/x-ms-xbap, application/x-ms-application, */*";<br />
            hRequest.ContentType = "application/x-www-form-urlencoded";<br />
            hRequest.UserAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727; InfoPath.2)";<br />
            hRequest.Headers.Add("Accept-Encoding", "gzip, deflate"); <br />
            hRequest.Headers.Add("UA-CPU", "x86");<br />
            hRequest.Method = "GET";<br />
<br />
            HttpWebResponse hResponse = (HttpWebResponse)hRequest.GetResponse();<br />
            StreamReader s =new StreamReader(hResponse.GetResponseStream(),Encoding.GetEncoding(hResponse.CharacterSet));<br />
<br />
<br />
  string page = s.ReadToEnd();<br />
<br />

// DLL imports
[DllImport("Psapi.dll", SetLastError = true)]
public static extern uint GetModuleFileNameEx(IntPtr hProcess, IntPtr hModule, StringBuilder lpFileName, [MarshalAs(UnmanagedType.U4)]Int32 nSize);

[DllImport("kernel32.dll")]
public static extern IntPtr OpenProcess(UInt32 dwDesiredAccsess, Int32 inherit, UInt32 dwProcessID);

[DllImport("kernel32.dll")]
public static extern bool CloseHandle(IntPtr handle

// Constants
public const long STANDARD_RIGHTS_REQUIRED = 0x000F0000L;
public const long SYNCHRONIZE = 0x00100000L;
public const long PROCESS_ALL_ACCESS = (STANDARD_RIGHTS_REQUIRED | SYNCHRONIZE | 0xFFFF);

public const long PROCESS_QUERY_INFORMATION = 0x0400;

protected static ProcessInfo FillProcessInfoEX(ProcessInfo pi)
{
            // Atempt to open process
            IntPtr hWnd = OpenProcess((uint)PROCESS_ALL_ACCESS, 0, (uint)pi.iProcessID);

            if (hWnd == IntPtr.Zero)
            {
                        // If failed, attempt to open with limited accsess
                        hWnd = OpenProcess((uint)PROCESS_QUERY_INFORMATION, 0, (uint)pi.iProcessID);
                        if (hWnd == IntPtr.Zero)
                                    return pi;
            }
            StringBuilder path = new StringBuilder(1024);
            GetModuleFileNameEx((IntPtr)hWnd, IntPtr.Zero, path, 1024);
            pi.sFullFilePath = path.ToString();
            System.Windows.Forms.MessageBox.Show(pi.sFullFilePath); // Just to see what happend to it
            CloseHandle(hWnd);
            return pi;
        }

HtmlDocument doc = webBrowser1.Document;
for (int i = 0; i < doc.GetElementsByTagName("a").Count; i++)
{
    string url = doc.GetElementsByTagName("a")[i].GetAttribute("href");
}

namespace HostApplication
{
    public class MyScriptEngine
    {
         public void runScript(string fileOnDisk)
         {
              //CSharpCodeProvide...
              //Complier..
              //invoke entryPoint..
         }
         
         public int someElseMethod()
         {
              //do some stuff...
         }         
    }

}

using System;
...
using HostApplication

public class scirpt
{
    public void entryPoint()
    {
         //call some method or class that belong to Host NameSpace
         MyScriptEngine.getInstance().someElseMethod();
    }
}