Automatic sorted list

using System;
using System.Collections;

using EMK.Collections;


namespace EMK.Tests
{
	/// <summary>
	/// Simple test for the SortableList class.
	/// Shows the way to use the basic properties and methods.
	/// </summary>
	public class TestSortedList
	{
		/// <summary>
		/// Icomparer to provide to the SortableList constructor
		/// </summary>
		class AntiAlphabeticalComparer: IComparer
		{
			public int Compare(object O1, object O2)
			{
				string S1 = O1.ToString();
				string S2 = O2.ToString();
				return -String.Compare(S1, S2);
			}
		}

		/// <summary>
		/// Entry point for the SortableList use case.
		/// </summary>
		public static void Main()
		{
			Console.WriteLine("You create a new SortableList." );
			SortableList SL = new SortableList();

			Console.Write("You set the KeepSorted property to false and you fill it with the strings X, B, A, D: " );
			SL.KeepSorted = false;
			SL.Add("X");
			SL.Add("B");
			SL.Add("A");
			SL.Add("D");
			Console.WriteLine(SL);

			Console.Write("You can insert or set elements where you want since KeepSorted==false. Let's set 'C' to index 4: ");
			SL[3] = "C";
			Console.WriteLine(SL);

			Console.Write("You decide to sort the list: ");
			SL.Sort();
			Console.WriteLine(SL);

			Console.Write("You now set the KeepSorted property to true and add some new strings: ");
			SL.KeepSorted = true;
			SL.Add("J");
			SL.Add("E");
			SL.Add("E");
			SL.Add("B");
			SL.Add("X");
			SL.Add("E");
			SL.Add("E");
			Console.WriteLine(SL);

			Console.WriteLine("'E' is found at index "+SL.IndexOf("E").ToString());
			Console.WriteLine("Is the list containing an 'X' value ?: "+SL.Contains("X").ToString());
			Console.WriteLine("Is the list containing an 'M' value ?: "+SL.Contains("M").ToString());

			Console.Write("You limit the number of occurrences of 'E' to 2: ");
			SL.LimitNbOccurrences("E", 2);
			Console.WriteLine(SL);

			Console.Write("After all you do not want any duplicates: ");
			SL.RemoveDuplicates();
			Console.WriteLine(SL);

			Console.Write("You set the AddDuplicates property to false and try to add J and E again: ");
			SL.AddDuplicates = false;
			SL.Add("J");
			SL.Add("E");
			Console.WriteLine(SL);

			Console.WriteLine("Now you create another SortableList but this time you give it an IComparer class which is the anti-alphabetical order." );
			SL = new SortableList( new AntiAlphabeticalComparer() );

			Console.Write("You fill the list by adding a range of vowels in alphabetical order. Result: " );
			string[] Vowels = new string[] {"A", "E", "I", "O", "U"};
			SL.AddRange(Vowels);
			Console.WriteLine(SL);
			Console.ReadLine();
		}		
	}
}