Specify NonSerialized fields : Binary Serialization « File Directory Stream « C# / CSharp Tutorial

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C# / CSharp Tutorial » File Directory Stream » Binary Serialization 
15.30.2.Specify NonSerialized fields
using System;
using System.IO;
using System.Collections;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;

[Serializable]
public class MyElement
{
    public MyElement(string name)
    {
        this.name = name;
        this.cacheValue = 15;
    }
    public override string ToString()
    {
        return(String.Format("{0}: {1}", name, cacheValue));
    }
    string name;

    [NonSerialized]
    int cacheValue;
}

class MainClass
{
    public static void Main()
    {
        MyElement ele = new MyElement("name");

        Console.WriteLine("Initial value");
        Console.WriteLine("{0}", ele);
        
        // write to binary, read it back
        Stream streamWrite = File.Create("MyElement.bin");
        BinaryFormatter binaryWrite = new BinaryFormatter();
        binaryWrite.Serialize(streamWrite, ele);
        streamWrite.Close();
        
        Stream streamRead = File.OpenRead("MyElement.bin");
        BinaryFormatter binaryRead = new BinaryFormatter();
        MyElement element = (MyElementbinaryRead.Deserialize(streamRead);
        streamRead.Close();
        
        Console.WriteLine("Values after binary serialization");
        Console.WriteLine("{0}", element);
        
    }
}
Initial value
name: 15
Values after binary serialization
name: 0
15.30.Binary Serialization
15.30.1.Serialize object to binary form
15.30.2.Specify NonSerialized fields
15.30.3.Serialization of an object list in binary form
15.30.4.Customized Serialization
15.30.5.Binary Custom Serialization
15.30.6.Implementing System.Runtime.Serialization.ISerializable
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