void sendBehindParticles(Layered c) {
		c.setLayer(Layered.BEHIND_PARTICLES);
		getModel().notifyChange();
		if (!doNotFireUndoEvent) {
			getModel().getUndoManager().undoableEditHappened(new UndoableEditEvent(getModel(), new UndoableLayeredComponentOperation(UndoAction.BACK_LAYERED_COMPONENT, c)));
			updateUndoUIComponents();
		}
	}