1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 using System.Threading.Tasks; 6 using System.Net; 7 using System.IO; 8 using System.Runtime.InteropServices; //dllimport relies on it 9 namespace WebPageCode10 {11     12     class Program13     {14         15         [DllImport("kernel32.dll")]16         static extern uint GetTickCount();  17 18         static void addhead(ref string px) //add http head if necessary19         {20             if (px.Substring(0, 7).ToLower() != @"http://") px = @"http://" + px;21         }22 23         static string getwebcode(string PageUrl,string proxy=""){24 25             uint x = GetTickCount();26 27             addhead(ref PageUrl);  //webpage check28             WebClient wc = new WebClient(); 29             wc.Credentials = CredentialCache.DefaultCredentials; 30             31             proxy.Trim();  //proxy check32             if (proxy != "")33             {34                 addhead(ref proxy);35                 WebProxy wp = new WebProxy();36                 wp.Address = new Uri(proxy);37                 wc.Proxy = wp;38             }39 40             Byte[] pageData =http://www.mamicode.com/ wc.DownloadData(PageUrl); 41             x = GetTickCount() - x; //x means the time spent.42             return Encoding.UTF8.GetString(pageData);43 44         }45 46         static void Main(string[] args)47         {48             int i = 0, n = args.Length;49             string proxy = "";50             string page = "";51             while (i < n)52             {53                 if (args[i] == "-proxy")54                 {55                     if (i<(n-1)) proxy = args[++i];56                 }57                 if (args[i] == "-page")58                 {59                     if (i < (n - 1)) page = args[++i];60                 }61                 i++;62             }63             page.Trim(); proxy.Trim();64             if (page == "") return; //no webpage found65             string code;66             if (proxy == ""){67                 code=getwebcode(page);  //proxy found68             } else {69                 code=getwebcode(page,proxy);  //no proxy found70             }71             72             Console.Write(code);73             Console.ReadKey();74         }75     }76 }