gistfile1.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Populacja
    {
        public int dupa;
    }
}



using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;

namespace ConsoleApplication1
{
    class Dna
    {
        public Populacja pop;
        public ArrayList popList;


        public Dna()
        {
            popList = new ArrayList();
            popList.Add(new Populacja);
            ((Populacja)popList[0]).dupa

        }
    }