C# IEqualityComparer

using System.Collections.Generic;
using System.Xml.Linq;

namespace Get_Names
{
    class DistinctComparerClass : IEqualityComparer<XElement>
    {
        public bool Equals(XElement x, XElement y)
        {
            return x.Value.Equals(y.Value);
        }

        public int GetHashCode(XElement obj)
        {
            return obj.Value.GetHashCode();
        }
    }
}