// WLH 4 Dec 98
 // public void thingChanged(ThingChangedEvent e)
 public boolean thingChanged(ThingChangedEvent e) throws VisADException, RemoteException {
   if (AdaptedAction == null) {
     throw new RemoteVisADException("RemoteActionImpl.thingChanged: " + "AdaptedAction is null");
   }
   // WLH 4 Dec 98
   // AdaptedAction.thingChanged(e);
   return AdaptedAction.thingChanged(e);
 }