Serialize and Deserialize IEnumerable Objects

namespace CSharp_CustomXmlSerializer_Demo.Profile
{
	public class Questions:System.Collections.CollectionBase
	{
		public void Add(Question value)
		{
			base.List.Add(value);
		}


		public Question this[int index]
		{
			get	{return (Question) base.List[index];}
		}


		public Question this[string identifier]
		{
			get
			{
				foreach (Question _Item in this)
					if (string.Compare(_Item.Identifier.ToString(), identifier, true) == 0)
						return _Item;

				return  null;
			}
		}
	}
}