Implement IEnumerable with loop : IEnumerable « Data Structure « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Data Structure
3. IEnumerable

using System;
using System.Collections.Generic;
using System.Text;

class MyClass : IEnumerable<string>
{
   IEnumerator<string> Letter
   {
      get
      {
         string[] s = { "A", "B", "C" };
         for (int i = 0; i < s.Length; i++)
            yield return s[i];
      }
   }

   public IEnumerator<string> GetEnumerator()
   {
      return Letter;
   }

   System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
   {
      return Letter;
   }
}

class MainClass
{
   static void Main()
   {
      MyClass mc1 = new MyClass();
      foreach (string s in mc1)
         Console.Write("{0} ", s);
   }
}

A B C