C# implements simple acquisition of scan code information code

using System;
using ;
using ;
using ;
using ;
using ;
using ;
using ;
using ;
namespace Demo_Net
{
  //This machine is the server  //Add to determine whether the network is connected in the afternoon; and make corresponding judgments;  class Program
  {
    static Socket msock;
    static void Main(string[] args)
    {
     
        //First determine whether the ping is available:        string ips = "10.18.14.111";
        string str = NetConnect(ips);
        (str);
        ();
    }
    //Discribing whether to connect through ping;    private static string NetConnect(string ip)
    {
      Process p = new Process();
       = "";
       = false;
       = true;
       = true;
       = true;
       = false;
      string pingstr;
      ();
      ("ping -n 1 " + ip);
      ("exit");
      string strRst = ();
      if (("(0% Lost)") != -1)
      {
        pingstr = "Connected successfully";
 
        //Define the socket connection required for the native IP and corresponding port;        msock = new Socket(, ,         );
        var localIP = new IPEndPoint(("10.18.14.23"), 10001);
        (localIP);
        //Define the maximum number of network connections yourself        (10);
        // Create a new thread to process;        Thread th = new Thread(delegate()
        {
          Rec();
        });
         = true;
        ();
      }
       else
      {
        pingstr = "Connection timeout";
      }
      ();
      return pingstr;
    }
    // Listen to whether there is a link, and handle the new thread    static void Rec()
    {
      do
      {
        Socket s = ();
        Thread th = new Thread(delegate() {
          Parse(s);
        });
         = true;
        ();
        
      } while (true);
    }
 
    // Process the information obtained when there is a link    static void Parse(Socket s)
    {
      do
      {
        byte[] b = new byte[1000];
        int l = (b);
        b = (l).ToArray();
        string rs = ;
        for (int i = 0; i < ; i++)
        {
          rs = rs + b[i].ToString();
        }
        //decoding        ((b, 0, l));
      } while (true);
      
    }
  }
 
}