System.CultureAwareComparer.GetHashCode C# (CSharp) Method

        public override int GetHashCode(string obj)
        {
            if (obj == null)
            {
                throw new ArgumentNullException("obj");
            }
            if (this._ignoreCase)
            {
                return this._compareInfo.GetHashCodeOfString(obj, CompareOptions.IgnoreCase);
            }
            return this._compareInfo.GetHashCodeOfString(obj, CompareOptions.None);
        }
    }