Java tutorial
//package com.java2s; /** * Copyright 2009 - 2014 Jrgen Lundgren * * This file is part of org.macroing.wicked. * * org.macroing.wicked 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 3 of the License, or * (at your option) any later version. * * org.macroing.wicked 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 org.macroing.wicked. If not, see <http://www.gnu.org/licenses/>. */ import java.awt.Component; import java.lang.reflect.InvocationTargetException; import javax.swing.SwingUtilities; public class Main { public static int getHeight(final Component component) { if (component != null) { if (SwingUtilities.isEventDispatchThread()) { return component.getHeight(); } else { final int[] height = new int[1]; try { SwingUtilities.invokeAndWait(new Runnable() { @Override public void run() { height[0] = component.getHeight(); } }); } catch (InterruptedException | InvocationTargetException e) { } return height[0]; } } else { return 0; } } }