code: public boolean addAll(int index, Collection<? extends XEvent> c) {
  		for (XEvent event : c) {
  			try {
  				events.insert(event, index);
  			} catch (IOException e) {
  				e.printStackTrace();
  			}
  			index++;
  		}
  		return (c.size() > 0);
  	}
docs: /*
  (non-Javadoc)
  
  @see java.util.List#addAll(int, java.util.Collection)