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  1. using System;
  2. using System.Collections.Generic;
  3. using System.IO;
  4. using System.Linq;
  5. using System.Runtime.Serialization;
  6. using System.Runtime.Serialization.Formatters.Binary;
  7.  
  8. namespace ConsoleApplication1
  9. {
  10.     class Program
  11.     {
  12.         [Serializable]
  13.         public class IdInfo
  14.         {
  15.             public int IdNumber { get; set; }
  16.  
  17.             public IdInfo(int IdNumber)
  18.             {
  19.                 this.IdNumber = IdNumber;
  20.             }
  21.         }
  22.  
  23.         [Serializable]
  24.         public class Product 
  25.         {
  26.             public int Number { get; set; }
  27.             public IdInfo IdInfo { get; set; }
  28.             public string Name { get; set; }
  29.  
  30.             public Product DeepCopy()
  31.             {
  32.                 MemoryStream stream = new MemoryStream();
  33.                 IFormatter formatter = new BinaryFormatter();
  34.  
  35.                 formatter.Serialize(stream, this);
  36.                 stream.Seek(0, SeekOrigin.Begin);
  37.  
  38.                 var product = (Product)formatter.Deserialize(stream);
  39.  
  40.                 stream.Close();
  41.                 stream.Dispose();
  42.  
  43.                 return product;
  44.  
  45.             }
  46.         }
  47.  
  48.         static void Main(string[] args)
  49.         {
  50.             List<Product> products = new List<Product>();
  51.             products.Add(new Product { Number = 1, Name = "LADA SUPER SPORT PRO", IdInfo = new IdInfo(999) });
  52.  
  53.             List<Product> currentProducts = products.Select(p => p.DeepCopy()).ToList(); 
  54.  
  55.             currentProducts[0].Number = 22;
  56.             currentProducts[0].Name = "BMW M5";
  57.             currentProducts[0].IdInfo = new IdInfo(001);
  58.  
  59.             Console.WriteLine(products[0].Number);
  60.             Console.WriteLine(products[0].Name);
  61.             Console.WriteLine(products[0].IdInfo.IdNumber);
  62.         }
  63.     }
  64. }
  65.  
Success #stdin #stdout 0.02s 31248KB
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Standard input is empty
stdout
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1
LADA SUPER SPORT PRO
999
https://ideone.com/9yw6pz
language:
C# (gmcs 5.20.1)
created:
7 years ago
visibility:
public

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