using System;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
using System.IO;
[Serializable]
public class BookRecord : IDeserializationCallback {
public String title;
public int asin;
[NonSerialized]
public int rank;
public BookRecord(String title, int asin) {
this.title = title;
this.asin = asin;
rank = GetSalesRank();
}
public int GetSalesRank() {
Random r = new Random();
return r.Next(5000);
}
public void OnDeserialization(Object o) {
rank = GetSalesRank();
}
}
public class StreamObject {
public static void Main() {
BookRecord book = new BookRecord("title", 123456789);
Console.WriteLine(book.title + " " + book.asin +" " + book.rank);
FileStream stream = new FileStream(@"book.obj", FileMode.Create);
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(stream, book);
stream.Close();
FileStream streamIn = new FileStream(@"book.obj", FileMode.Open);
BookRecord bookIn = (BookRecord)bf.Deserialize(streamIn);
Console.WriteLine(bookIn.title + " " + bookIn.asin + " " + bookIn.rank);
}
}