#region Using directives

using System;

using System.Collections.Generic;

using System.Text;

namespace ConsoleApplication1

class Program

static void Main(string[] args)

MyList<string> l = new MyList<string>();

l.Add ("hello");

l.Add ("wild");

l.Add ("world");

l.Add ("!");

foreach (string s in l) {

Console.WriteLine(s);

Console.ReadLine();

public class MyList<T> : IList<T>

List<T> list;

public MyList()

list = new List<T>();

public void Clear()

public bool Contains(T item)

return list.Contains(item);

public void CopyTo(T[] array, int arrayIndex)

public bool Remove(T item)

return list.Remove(item);

public int Count

get

return list.Count;

public bool IsReadOnly

get

return false;

public T this[int index]

get

return list[index];

set

list[index] = value;

public int IndexOf (T item) {

return list.IndexOf(item);

public void Insert (int index, T item) {

public void Add (T item) {

public void RemoveAt (int index) {

public IEnumerator<T> GetEnumerator () {

return new DisposableEnumerator(list.GetEnumerator());

public void Dispose () {

Console.WriteLine("In Dispose");

internal class DisposableEnumerator: IEnumerator<T>, IDisposable {

IEnumerator<T> enumerator;

public DisposableEnumerator(IEnumerator<T> l)

public bool MoveNext () {

return enumerator.MoveNext();

public T Current

get

return enumerator.Current;

public void Dispose()

Console.WriteLine("In Dispose");