1 package net.sf.openrocket.util;
3 import java.util.EventListener;
6 * An interface defining an object firing ChangeEvents. Why isn't this included in the Java API??
8 * @author Sampo Niskanen <sampo.niskanen@iki.fi>
10 public interface ChangeSource {
12 public void addChangeListener(EventListener listener);
13 public void removeChangeListener(EventListener listener);