public XmlWriter WriteXML(XmlWriter xmlBuilder)
{
xmlBuilder.WriteStartElement("PLN");
if(A != null)
xmlBuilder.WriteAttributeString("A", ((int)A).ToString(CultureInfo.InvariantCulture));
if (!string.IsNullOrEmpty(B))
xmlBuilder.WriteAttributeString("B", B);
if(Items != null)
{
foreach (var item in Items)
{
xmlBuilder = item.WriteXML(xmlBuilder);
}
}
xmlBuilder.WriteEndElement();
return xmlBuilder;
}