System.Security.Cryptography.X509Certificates.X500DistinguishedName.Decode C# (CSharp) Method

        public string Decode(System.Security.Cryptography.X509Certificates.X500DistinguishedNameFlags flag)
        {
            throw null;
        }

 public static string ConvertDistinguishedNameToString(X500DistinguishedName dnString)
 {
     string name = dnString.Name;
     bool flag = false;
     string[] strArray = dnString.Decode(X500DistinguishedNameFlags.UseNewLines).Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
     if (strArray.Length > 0)
     {
         flag = true;
         string pairAndValue = string.Empty;
         for (int i = 0; i < strArray.Length; i++)
         {
             pairAndValue = strArray[i];
             Pair pair = ConvertStringToPair(pairAndValue);
             if (string.Equals((string) pair.First, "CN", StringComparison.OrdinalIgnoreCase))
             {
                 name = (string) pair.Second;
                 flag = false;
                 break;
             }
         }
     }
     else
     {
         name = (string) ConvertStringToPair(name).Second;
         flag = false;
     }
     if (flag)
     {
         name = dnString.Name;
     }
     return name;
 }