System.OrdinalComparer.GetHashCode C# (CSharp) Method

        public override int GetHashCode(string obj)
        {
            if (obj == null)
            {
                throw new ArgumentNullException("obj");
            }
            if (this._ignoreCase)
            {
                return TextInfo.GetHashCodeOrdinalIgnoreCase(obj);
            }
            return obj.GetHashCode();
        }
    }