-STG_LOCKER locker(&mutex, __FILE__, __LINE__);
-
-typename set<PROPERTY_NOTIFIER_BASE<varT> *>::iterator ni;
-
-varT oldVal = value;
-
-ni = beforeNotifiers.begin();
-while (ni != beforeNotifiers.end())
- (*ni++)->Notify(oldVal, oldVal - delta);
-
-value -= delta;
-modificationTime = stgTime;
-
-ni = afterNotifiers.begin();
-while (ni != afterNotifiers.end())
- (*ni++)->Notify(oldVal, value);
-