using System;

using System.Collections.Generic;

using System.Reflection;

​

public class Program

{

    public static void Main()

    {

        var originalList = new List<string>();

        var dupedList = DoopList(originalList);

        System.Console.WriteLine("Returned: " + dupedList.GetType());

        bool match = originalList.GetType() == dupedList.GetType();

        System.Console.WriteLine("Types match? " + match);

        TestObject o = new TestObject();

        PropertyInfo[] props = o.GetType().GetProperties();

        foreach(PropertyInfo prop in props)

        {

           Console.WriteLine("Prop:" + prop.Name);

        }

    }

​

    public static dynamic DoopList(dynamic collection)

    {

        Type collectionType = collection.GetType();

​

        Type[] args = collectionType.GetGenericArguments();

        System.Console.WriteLine("Generic arguments:");

        foreach (var a in args)

        {

            System.Console.WriteLine("  " + a.ToString());

        }

​

        Type listType = typeof(List<>).MakeGenericType(args);

​

        System.Console.WriteLine("List type: " + listType.ToString());

​

        if(collectionType == listType)

            return Activator.CreateInstance(listType);

        else

            return null;

    }

}

​

public class TestObject {

    public List<string> MyProp {get; set;}

}