//Person.cs
namespace DependencyInjectionForDummies
{
   class Person
   {
       public string Name { get; set; }
   }
}

//Car.cs
using System;
using System.Collections.Generic;

namespace DependencyInjectionForDummies
{
   class Car
   {
       List<Person> _passengers = new List<Person>();

       public void AddPassenger(Person p)
       {
           _passengers.Add(p);
           Console.WriteLine("{0} added!", p.Name);
       }

       public void Drive()
       {
           foreach (var passenger in _passengers)
               Console.WriteLine("Driving {0} ...!", passenger.Name);
       }
   }
}

//Driver.cs
using System.Collections.Generic;

namespace DependencyInjectionForDummies
{
   class Driver
   {
       private Car _myCar = new Car();

       public void DriveToMarket(IList<Person> passengers)
       {
           foreach (var passenger in passengers)
               _myCar.AddPassenger(passenger);

           _myCar.Drive();
       }
   }
}

//Program.cs
using System.Collections.Generic;
using System;

namespace DependencyInjectionForDummies
{
   class Program
   {
       static void Main(string[] args)
       {
           new Driver().DriveToMarket(
               new List<Person>
               {
                   new Person{ Name="Ali" },
                   new Person{ Name="Vahid" }
               });

           Console.WriteLine("Press a key ...");
           Console.ReadKey();
       }
   }
}

//ICar.cs
using System;

namespace DependencyInjectionForDummies
{
   interface ICar
   {
       void AddPassenger(Person p);
       void Drive();
   }
}

//Car.cs
using System;
using System.Collections.Generic;

namespace DependencyInjectionForDummies
{
   class Car : ICar
   {
       //همانند قسمت قبل
   }
}

//Van.cs
using System;
using System.Collections.Generic;

namespace DependencyInjectionForDummies
{
   class Van : ICar
   {
       List<Person> _passengers = new List<Person>();

       public void AddPassenger(Person p)
       {
           _passengers.Add(p);
           Console.WriteLine("{0} added!", p.Name);
       }

       public void Drive()
       {
           foreach (var passenger in _passengers)
               Console.WriteLine("Driving {0} ...!", passenger.Name);
       }
   }
}

//Driver.cs
using System.Collections.Generic;

namespace DependencyInjectionForDummies
{
   class Driver
   {
       private ICar _myCar;

       public Driver(ICar myCar)
       {
           _myCar = myCar;
       }

       public void DriveToMarket(IList<Person> passengers)
       {
           foreach (var passenger in passengers)
               _myCar.AddPassenger(passenger);

           _myCar.Drive();
       }
   }
}

//Program.cs
using System.Collections.Generic;
using System;

namespace DependencyInjectionForDummies
{
   class Program
   {
       static void Main(string[] args)
       {
           Driver driver = new Driver(new Van());
           driver.DriveToMarket(
               new List<Person>
               {
                   new Person{ Name="Ali" },
                   new Person{ Name="Vahid" }
               });

           Console.WriteLine("Press a key ...");
           Console.ReadKey();
       }
   }
}