private string serialize(LSSettings.LSMeta lsm)
{
var cfg = new System.Xml.XmlWriterSettings();
cfg.NamespaceHandling = System.Xml.NamespaceHandling.OmitDuplicates;
cfg.NewLineHandling = System.Xml.NewLineHandling.None;
cfg.NewLineOnAttributes = false;
cfg.OmitXmlDeclaration = true;
cfg.Indent = false;
var sb = new StringBuilder();
var x = new System.Xml.Serialization.XmlSerializer(lsm.GetType());
var w = System.Xml.XmlWriter.Create(sb, cfg);
x.Serialize(w, lsm);
w.Flush();
w.Close();
return sb.ToString();
}