protected void setChild(XmlElement xml, string name, IEnumerable<IBaseClassIfc> objects, HashSet<int> processed)
{
if (objects == null || objects.Count() == 0)
return;
XmlElement element = xml.OwnerDocument.CreateElement(name);
xml.AppendChild(element);
foreach (IBaseClassIfc o in objects)
element.AppendChild(mDatabase[o.Index].GetXML(xml.OwnerDocument, "", this, processed));
}