System.Data.SqlTypes.SqlString.GetHashCode C# (CSharp) Method

        public override int GetHashCode()
        {
            if (IsNull)
                return 0;

            byte[] rgbSortKey;
            if (FBinarySort())
                rgbSortKey = s_unicodeEncoding.GetBytes(_value.TrimEnd());
            else
            {
                //  GetHashCode should not throw just because this instance has an invalid LCID or compare options.
                CompareInfo cmpInfo;
                CompareOptions options;
                try
                {
                    SetCompareInfo();
                    cmpInfo = _cmpInfo;
                    options = CompareOptionsFromSqlCompareOptions(_flag);
                }
                catch (ArgumentException)
                {
                    // SetCompareInfo throws this when instance's LCID is unsupported
                    // CompareOptionsFromSqlCompareOptions throws this when instance's options are invalid
                    cmpInfo = CultureInfo.InvariantCulture.CompareInfo;
                    options = CompareOptions.None;
                }
                rgbSortKey = cmpInfo.GetSortKey(_value.TrimEnd(), options).KeyData;
            }

            return SqlBinary.HashByteArray(rgbSortKey, rgbSortKey.Length);
        }