using System;

using System.Collections.Generic;

public class Movie

{

    public string Description { get;set; }

}

​

public class Program

{

    public static void Main()

    {

        Dictionary<string, Movie> dict = new Dictionary<string, Movie>();

        // Create Movie object and add it to the dictionary

        Movie movie = new Movie() { Description = "Old Description" };

        dict["MyMovie"] = movie;

        // Log the Description property of the dictionary item

        Console.WriteLine(dict["MyMovie"].Description);

        // Set new description on the movie object

        movie.Description = "New Description";

        // Add the object again with a different key

        dict["MyMovie2"] = movie;

        // Log the Description property of the dictionary item again. It should have been updated.

        Console.WriteLine(dict["MyMovie"].Description);

        Console.WriteLine(dict["MyMovie2"].Description);

    }

}