This type contains information about the changes to a node that are passed when an XmlDocument calls through an XmlNodeChangedEventHandler delegate instance. It contains the changed or changing node, the old and new parents to that node, and an enumeration describing the change (modification, insertion or removal).

public class XmlNodeChangedEventArgs {
// Public Instance Properties
   public field XmlNodeChangedAction Action{get; } 
   public field XmlNode NewParent{get; } 
   public field XmlNode Node{get; } 
   public field XmlNode OldParent{get; } 
}

Passed To

XmlNodeChangedEventHandler.{BeginInvoke(), Invoke()}