using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
class StringEnumerator : IEnumerator
{
string[] Strings; int Position = -1;
public string Current
{
get {
return Strings[Position];
}
}
object IEnumerator.Current
{
get {
return Strings[Position];
}
}
public bool MoveNext()
{
if (Position < Strings.Length - 1)
{
Position++;
return true;
}
else
return false;
}
public void Reset()
{
Position = -1;
}
public void Dispose() { }
public StringEnumerator(string[] strings)
{
Strings = new string[strings.Length];
for (int i = 0; i < strings.Length; i++)
Strings[i] = strings[i];
}
}
class MyStrings : IEnumerable
{
string[] Strings = { "AAA", "BBB", "CCC" };
public IEnumerator GetEnumerator()
{
return new StringEnumerator(Strings);
}
IEnumerator IEnumerable.GetEnumerator()
{
return new StringEnumerator(Strings);
}
}
class Program
{
static void Main()
{
MyStrings mc = new MyStrings();
foreach (string st in mc)
Console.Write("{0} ", st);
Console.WriteLine("");
}
}
AAA BBB CCC