using System;

using System.IO;

using System.Runtime.Serialization;

using System.Runtime.Serialization.Formatters.Binary;

public class Program

{

    public static void Main(string[] args)

    {

        WriteFile();

        ReadFile();

    }

    public static void WriteFile()

    {

        Test test = new Test

        {

            P1 = 1,

            P2 = "2"

        };

        IFormatter formatter = new BinaryFormatter();

        Stream stream = new FileStream("MyFile.txt",

                                       FileMode.Create,

                                       FileAccess.Write, FileShare.None);

        formatter.Serialize(stream, test);

        stream.Close();

        Console.WriteLine("寫入成功");

    }

    public static void ReadFile()

    {

        Console.WriteLine("讀出內容");

        var fileStream = new FileStream(@"MyFile.txt", FileMode.Open, FileAccess.Read);

        IFormatter formatter = new BinaryFormatter();

        Test test = formatter.Deserialize(fileStream) as Test;

        Console.WriteLine(string.Format("P1：{0}\nP2：{1}",test.P1,test.P2));

    }

}

​

[Serializable]

public class Test

{

    public int P1 { get; set; }

    public string P2 { get; set; }

}