static void Main(string[] args)
        {
            {
                TcpClient tc = new TcpClient();
                tc.Connect("127.0.0.1", 9050);
                //tc.Connect("www.google.com", 80);
                using (NetworkStream ns = tc.GetStream())
                {
                    var buf2 = new ASCIIEncoding().GetBytes("http://google.com");
                    if (false)
                    {
                        var buf = new byte[] { 5, 1, 0, 3, (byte)buf2.Length };
                        var mem = new MemoryStream();
                        mem.Write(buf, 0, buf.Length);
                        mem.Write(buf2, 0, buf2.Length);
                        mem.Write(new byte[] { 0, 80 }, 0, 2);
                        var memarr = mem.ToArray();
                        ns.Write(memarr, 0, memarr.Length);
                        ns.Flush();
                        var bufout = new byte[1024];
                        var res = ns.Read(bufout, 0, bufout.Length);
                    }
                    else
                    {
                        var buf = new byte[] { 4, 1, 0, 3, 0, 0, 0, 0, 0 };
                        var mem = new MemoryStream();
                        mem.Write(buf, 0, buf.Length);
                        mem.Write(buf2, 0, buf2.Length);
                        mem.Write(new byte[] { 80, 0 }, 0, 2);
                        mem.WriteByte(0);
                        var memarr = mem.ToArray();
                        ns.Write(memarr, 0, memarr.Length);
                        ns.Flush();
                        var bufout = new byte[1024];
                        var res = ns.Read(bufout, 0, bufout.Length);
                    }

                    System.IO.StreamWriter sw = new System.IO.StreamWriter(ns);
                    System.IO.StreamReader sr = new System.IO.StreamReader(ns);

                    string req = "";
                    req += "GET / HTTP/1.0\r\n";
                    req += "Host: www.google.com\r\n";
                    req += "\r\n";

                    sw.Write(req);
                    sw.Flush();

                    Console.WriteLine("[reading...]");
                    //Console.WriteLine(sr.ReadToEnd());
                    {
                        var bufout = new byte[1024];
                        var res = ns.Read(bufout, 0, bufout.Length);
                    }
                }
                tc.Close();
                Console.WriteLine("[done!]");
                Console.ReadKey();
            }
            return;