pl		Active (TBaseMediator)
pt	ro	MediatorList (TBaseListMediator)
pl		ReadOnly (TBaseMediator)
		SelectedObject (TBaseListMediator)
		Subject (TBaseMediator)
pl		SubjectPropertyName (TBaseMediator)
pt	ro	Transferring (TBaseMediator)
		Valuelist (TBaseMediator)
	ro	View (TBaseMediator)
pt		ViewPropertyName (TBaseMediator)