Here you can find the source of forwardMouseWheelEvent(JScrollPane target, MouseWheelEvent evt)
public static void forwardMouseWheelEvent(JScrollPane target, MouseWheelEvent evt)
//package com.java2s; /*/* w w w . ja v a 2s . c om*/ * Copyright (C) 2013 Aaron Madlon-Kay <aaron@madlon-kay.com>. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301 USA */ import java.awt.Toolkit; import java.awt.event.MouseWheelEvent; import javax.swing.JScrollPane; public class Main { public static void forwardMouseWheelEvent(JScrollPane target, MouseWheelEvent evt) { Toolkit.getDefaultToolkit().getSystemEventQueue() .postEvent(new MouseWheelEvent(target, evt.getID(), evt.getWhen(), evt.getModifiers(), evt.getX(), evt.getY(), evt.getClickCount(), evt.isPopupTrigger(), evt.getScrollType(), evt.getScrollAmount(), evt.getWheelRotation())); } }