Use BinaryFormatter to Serialize an object to file : Binary Formatter : File Directory Stream C# Examples

    
using  System;
using  System.IO;
using  System.Runtime.Serialization;
using  System.Runtime.Serialization.Formatters.Binary;

[Serializable]
class  Employee
{
    private  int  Number;
    private  string  FirstName;
    private  string  LastName;

    public  void  WriteEmployee(){
        Console.WriteLine("Number:  "  +  this.Number);
        Console.WriteLine("FirstName:  "  +  this.FirstName);
        Console.WriteLine("LastName:  "  +  this.LastName);
    }

    public  Employee(int  newNumber,  string  newFirstName,  string  LastName){
        this.Number  =  newNumber;
        this.FirstName  =  newFirstName;
        this.LastName  =  LastName;
    }
}

class  MainClass
{
    public  static  void  Main()  
    {
        Employee  emp  =  new  Employee(1,  "X",  "F");
        emp.WriteEmployee();

        FileStream  serializeStream  =  new  FileStream("c:\\test.dat",  FileMode.Create);

        BinaryFormatter  bf  =  new  BinaryFormatter();

        bf.Serialize(serializeStream,  emp);
        serializeStream.Flush();
        serializeStream.Close();

        FileStream  retrieveStream  =  new  FileStream("c:\\test.dat",  FileMode.Open);
        Employee  NewEmployee  =  (Employee)  bf.Deserialize(retrieveStream);
        NewEmployee.WriteEmployee();
    }
}