using System;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        Dictionary<string, IObject> dictionary = new Dictionary<string, IObject>();

        dictionary.Add("CounterA", new ACounter());

        dictionary.Add("FiéldB", new BField());

        var item = dictionary["FiéldB"];

        item.ExecuteObject(); // not work, why?

    }

}

​

public interface IObject

{

    void ExecuteObject();

}

​

public abstract class ABase : IObject

{

    public abstract void ExecuteObject();

//public virtual void ExecuteObject();

}

​

public class ACounter : ABase

{

    public override void ExecuteObject()

    {

        Console.WriteLine("Executing ACounter");

    }

}

​

public class BField : ABase

{

    public override void ExecuteObject()

    {

        Console.WriteLine("Executing BField");

    }

}