using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

    public interface ITankGroup<T> where T : ITank

    {

        Dictionary<string, T> Tanks { get; set; }

    }

​

    public partial class TankGroup<T> : UserControl, ITankGroup<T> where T : ITank

    {

        public Dictionary<string, T> Tanks { get; set; }

​

        TankGroup()

        {

            Tanks = new Dictionary<string, T>();

        }

    }

​

    public interface ITank

    {

​

    }

​

    public class UserControl

    {

​

    }

}