/// <summary>
        /// Enregistre la liste dans un fichier config xml
        /// </summary>
        /// <param name="fichierXML"></param>
        public void SerializeToFile(ParamValues datavalue, string fichierXML)
        {
            try
            {
                // vérif et convert
                ParamValues dvforxml = datavalue.Clone();
                foreach (ParamValuesNode itemd in dvforxml.GetList())
                {
                    if (itemd.Name.Length > 0 && itemd.Name[0] != '/')
                    {
                        itemd.Name = "/noparam/" + itemd.Name;
                    }
                }

                XmlTextWriter XmlTextWriter = new XmlTextWriter(fichierXML, System.Text.Encoding.UTF8);
                XmlTextWriter.Formatting = Formatting.Indented;

                XmlTextWriter.WriteStartDocument();

                XmlTextWriter = savewriteburn(XmlTextWriter, dvforxml);

                XmlTextWriter.Flush(); //vide le buffer
                XmlTextWriter.Close(); // ferme le document
            }
            finally
            {
            }
        }
        /// <summary>
        /// Enregistre la liste dans un fichier config xml
        /// </summary>
        /// <param name="fichierXML"></param>
        public string Serialize(ParamValues datavalue)
        {
            string fluxxml = ""; //chaine xml final

            if (datavalue.Count() == 0)
            {
                return("<?xml version=\"1.0\" ?><param><empty>True</empty></param>");
            }


            ParamValues dvforxml = null; // datavalue buffer

            try
            {
                try
                {
                    // vérif et convert
                    dvforxml = datavalue.Clone();
                    try { dvforxml.Sort(); } catch { }
                    foreach (ParamValuesNode itemd in dvforxml.GetList())
                    {
                        if (itemd.Name.Length > 0 && itemd.Name[0] != '/')
                        {
                            itemd.Name = "/noparam/" + itemd.Name;
                        }
                    }
                }
                catch (Exception ev)
                {
                    throw new Exception("Verif : " + ev.Message);
                }

                StringBuilder builder = new StringBuilder();
                using (StringWriter stringWriter = new StringWriter(builder))
                {
                    XmlTextWriter writer = new XmlTextWriter(stringWriter);

                    // This produces UTF16 XML
                    writer.Indentation = 1;
                    writer.IndentChar  = '\t';
                    writer.Formatting  = Formatting.Indented;

                    writer.WriteStartDocument();
                    writer = savewriteburn(writer, dvforxml);

                    writer.WriteEndDocument();
                    writer.Close();
                }


                fluxxml = builder.ToString();
            }
            catch (Exception e)
            {
                throw new Exception("Datavalue toFluxXml : " + e, e);
            }
            finally
            {
            }


            //if (this.datavalue.isEncrypted) fluxxml = cryptageFlux(fluxxml);
            return(fluxxml);
        }