Disposable Enumerator
#region
Using directives
using
System;
using
System.Collections.Generic;
using
System.Text;
#endregion
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()
{
list.Clear();
}
public bool Contains(T item)
{
return list.Contains(item);
}
public void CopyTo(T[] array, int arrayIndex)
{
list.CopyTo(array, 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) {
list.Insert(index, item);
}
public void Add (T item) {
list.Add(item);
}
public void RemoveAt (int index) {
list.RemoveAt(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)
{
enumerator = l;
}
public bool MoveNext () {
return enumerator.MoveNext();
}
public T Current
{
get
{
return enumerator.Current;
}
}
public void Dispose()
{
Console.WriteLine("In Dispose");
}
}
}
}