Formatter Services example

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
using System.Text;
using System.Threading.Tasks;

namespace FormatterServicesTest
{
    class Program
    {
        static void Main(string[] args)
        {
            TestLibrary();
            Console.WriteLine("Press enter to close...");
            Console.ReadLine();
        }

        static void TestLibrary()
        {
            Library theLib = new Library();

            Book aBook = new Book("HHGttG", "Douglas Adams", "Good book");
            theLib.AddBook(aBook);

            aBook = new Book("Room", "Emily", "Good book");
            theLib.AddBook(aBook);

            aBook = new Book("Raft", "Stephen Baxter", "First book");
            theLib.AddAudioBook(aBook);

            theLib.Dump();
        }

        static void TestBook()
        {
            Book aBook = new Book("HHGttG", "Douglas Adams", "Good book");
            Console.WriteLine("-----------");
            aBook.Dump(0);

            string path = Path.GetTempFileName();
            var formatter = new BinaryFormatter();
            using (var fileStream = new FileStream(path, FileMode.Create))
            {
                formatter.Serialize(fileStream, aBook);
            }

            aBook.Title = "Dirk Gently's";
            aBook.Comment = "Ok book";
            Console.WriteLine("-----------");
            aBook.Dump(0);

            Book tempBook;
            using (var fileStream = new FileStream(path, FileMode.Open, FileAccess.Read))
            {
                tempBook = (Book)formatter.Deserialize(fileStream);
            }

            MemberInfo[] members = FormatterServices.GetSerializableMembers(typeof(Book));
            FormatterServices.PopulateObjectMembers(aBook, members, FormatterServices.GetObjectData(tempBook, members));

            Console.WriteLine("-----------");
            aBook.Dump(0);
        }
    }

    [Serializable]
    class Book
    {
        public string Title;
        public string Author;
        [NonSerialized]
        public string Comment;

        // Constructor for setting new values.
        public Book(string newTitle, string newAuthor, string newComment)
        {
            Title = newTitle;
            Author = newAuthor;
            Comment = newComment;
        }

        public void Dump(int indent)
        {
            string indentStr = "";
            for (int i = 0; i < indent; i++)
            {
                indentStr += " ";
            }
            Console.WriteLine("{0}Title: {1}", indentStr, this.Title);
            Console.WriteLine("{0}Author: {1}", indentStr, this.Author);
            Console.WriteLine("{0}Comment: {1}", indentStr, this.Comment);
        }
    }

    [Serializable]
    class Library
    {
        public Dictionary<int, Book> Books = new Dictionary<int, Book>();
        public Dictionary<int, Book> AudioBooks = new Dictionary<int, Book>();

        public Library()
        {
        }

        public void AddBook(Book newBook)
        {
            Books.Add(Books.Count, newBook);
        }

        public void AddAudioBook(Book newBook)
        {
            AudioBooks.Add(Books.Count, newBook);
        }

        public void Dump()
        {
            Console.WriteLine("---------\nBooks:");
            bool first = true;
            foreach (Book book in Books.Values)
            {
                if (!first)
                {
                    Console.WriteLine();
                }
                else
                {
                    first = false;
                }
                book.Dump(4);
            }
            Console.WriteLine("---------\nAudio books:");
            foreach (Book book in AudioBooks.Values)
            {
                book.Dump(4);
            }

            Console.WriteLine();
        }
    }

}