using System;
using System.Collections;
public class SimpleCollection : IEnumerable {
public SimpleCollection(object[] array) {
items = array;
}
public IEnumerator GetEnumerator() {
return new Enumerator(this);
}
private class Enumerator : IEnumerator {
public Enumerator(SimpleCollection obj) {
oThis = obj;
cursor = -1;
}
public bool MoveNext() {
++cursor;
if (cursor > (oThis.items.Length - 1)) {
return false;
}
return true;
}
public void Reset() {
cursor = -1;
}
public object Current {
get {
if (cursor > (oThis.items.Length - 1)) {
throw new InvalidOperationException(
"Enumeration already finished");
}
if (cursor == -1) {
throw new InvalidOperationException(
"Enumeration not started");
}
return oThis.items[cursor];
}
}
private int cursor;
private SimpleCollection oThis;
}
private object[] items = null;
}
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