Search interface, specifying whether to do a case-insensitive search for the interface name in CSharp

using System;//from   w w  w  .  ja v  a  2  s .  c o  m
using System.Security;
using System.Reflection;
using System.Collections;

public class MainClass
{
    public static void Main()
    {
        Hashtable hashtableObj = new Hashtable();
        Type objType = hashtableObj.GetType();
        MethodInfo[] arrayMethodInfo;

        arrayMethodInfo = objType.GetInterface("IDeserializationCallback").GetMethods();
        Console.WriteLine("\nMethods of 'IEnumerable' Interface");
        arrayMethodInfo = objType.GetInterface("ienumerable", true).GetMethods();
        for (int index = 0; index < arrayMethodInfo.Length; index++)
            Console.WriteLine(arrayMethodInfo[index].ToString());

    }

}