System.UriBuilder.SetFieldsFromUri C# (CSharp) Method

        private void SetFieldsFromUri(Uri uri) {
            m_fragment = uri.Fragment;
            m_query = uri.Query;
            m_host = uri.Host;
            m_path = uri.AbsolutePath;
            m_port = uri.Port;
            m_scheme = uri.Scheme;
            m_schemeDelimiter = uri.HasAuthority? Uri.SchemeDelimiter: ":";

            string userInfo = uri.UserInfo;

            if (userInfo.Length > 0) {

                int index = userInfo.IndexOf(':');

                if (index != -1) {
                    m_password = userInfo.Substring(index + 1);
                    m_username = userInfo.Substring(0, index);
                }
                else {
                    m_username = userInfo;
                }
            }
        }