using System;

 using System.Collections.Generic;

 using System.Linq;

 using System.Text;

 using System.Threading.Tasks;

 using System.Net;

 using System.IO;

 using System.Runtime.InteropServices; //dllimport relies on it

 namespace WebPageCode

 {

     class Program

     {

         [DllImport("kernel32.dll")]

         static extern uint GetTickCount();  

         static void addhead(ref string px) //add http head if necessary

         {

             if (px.Substring(, ).ToLower() != @"http://") px = @"http://" + px;

         }

         static string getwebcode(string PageUrl,string proxy=""){

             uint x = GetTickCount();

             addhead(ref PageUrl);  //webpage check

             WebClient wc = new WebClient();

             wc.Credentials = CredentialCache.DefaultCredentials; 

             proxy.Trim();  //proxy check

             if (proxy != "")

             {

                 addhead(ref proxy);

                 WebProxy wp = new WebProxy();

                 wp.Address = new Uri(proxy);

                 wc.Proxy = wp;

             }

             Byte[] pageData = wc.DownloadData(PageUrl);

             x = GetTickCount() - x; //x means the time spent.

             return Encoding.UTF8.GetString(pageData);

         }

         static void Main(string[] args)

         {

             int i = , n = args.Length;

             string proxy = "";

             string page = "";

             while (i < n)

             {

                 if (args[i] == "-proxy")

                 {

                     if (i<(n-)) proxy = args[++i];

                 }

                 if (args[i] == "-page")

                 {

                     if (i < (n - )) page = args[++i];

                 }

                 i++;

             }

             page.Trim(); proxy.Trim();

             if (page == "") return; //no webpage found

             string code;

             if (proxy == ""){

                 code=getwebcode(page);  //proxy found

             } else {

                 code=getwebcode(page,proxy);  //no proxy found

             }

             Console.Write(code);

             Console.ReadKey();

         }

     }

 }