using System;

using System.Collections.Generic;

​

public class Program

{

    public static void Test(Version version)

    {

        Console.WriteLine("is a version");

    }

​

    public static void Test(FormatException formatException)

    {

        Console.WriteLine("is a formatException");

    }

​

    public static void Main()

    {

        var list = new List<object>();

        list.Add(new Version());

        list.Add(new FormatException());

        foreach (var item in list)

        {

            Test((dynamic)item); 

        }

    }

}