PrintList

gistfile1.cs

using System;
using System.Collections.Generic;

namespace PrintList
{
    public class Program
    {
        static void Main(string[] args)
        {
            PrintList("Mono", new List<object>
            {
                "Red", new List<Object>{"Yellow", "Green", "Blue"}, "Black", new List<Object>{new List<Object>{"Orange", "Purple"}, "White"}
            });

            Console.ReadLine();
        }


        private static void PrintList(string linePrefix, List<Object> list)
        {
            int mainIndex = 0;

            if (list == null || list.Count == 0)
            {
                Console.WriteLine("No values to print...");
                return;
            }

            foreach (var t in list)
            {
                var newPrefix = linePrefix + "." + mainIndex;

                if (t as String != null)
                {
                    Console.WriteLine("{0}: {1}", newPrefix, t.ToString());
                }
                else if (t as List<Object> != null)
                {
                    PrintList(newPrefix, t as List<Object>);
                }
                else
                {
                    Console.WriteLine("{0} : {1} - {2}", newPrefix, "Not a valid type", t.GetType());
                }

                mainIndex++;
            }
        }

    }
}