XmlNodeList.cs

using System.Collections;
using System.Runtime.CompilerServices;

namespace System.Xml
{
    public abstract class XmlNodeList : IEnumerable, IDisposable
    {
        public abstract int Count
        {
            get;
        }

        [IndexerName("ItemOf")]
        public virtual XmlNode this[int i]
        {
            get
            {
                return Item(i);
            }
        }

        public abstract XmlNode Item(int index);

        public abstract IEnumerator GetEnumerator();

        void IDisposable.Dispose()
        {
            PrivateDisposeNodeList();
        }

        protected virtual void PrivateDisposeNodeList()
        {
        }
    }
}