Search object and returns index of the first occurrence within the sub List in CSharp

//from w ww  . j ava2 s. com
using System;
using System.Collections.Generic;

public class Example
{
    public static void Main()
    {
        List<string> myData = new List<string>();

        myData.Add("A");
        myData.Add("B");
        myData.Add("C");
        myData.Add("D");
        myData.Add("A");

        foreach(string myD in myData)
        {
            Console.WriteLine(myD);
        }
        Console.WriteLine(myData.IndexOf("A", 2, 2));
    }
}