Here you can find the source of updateAllComponentTreeUIs()
public static void updateAllComponentTreeUIs()
//package com.java2s; /*/*from ww w. j a v a 2s . c o m*/ * #%L * The AIBench Plugin Manager Plugin * %% * Copyright (C) 2006 - 2016 Daniel Glez-Pe?a and Florentino Fdez-Riverola * %% * This program 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. * * This program 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 General Lesser Public License for more details. * * You should have received a copy of the GNU General Lesser Public * License along with this program. If not, see * <http://www.gnu.org/licenses/lgpl-3.0.html>. * #L% */ import java.awt.Frame; import java.awt.Window; import javax.swing.SwingUtilities; public class Main { /** * Updates the componentTreeUI of all top-level windows of the * current application. * */ public static void updateAllComponentTreeUIs() { for (Frame frame : Frame.getFrames()) { updateAllComponentTreeUIs(frame); } } /** * Updates the componentTreeUI of the given window and all its * owned windows, recursively. * * * @param window the window to update */ public static void updateAllComponentTreeUIs(Window window) { SwingUtilities.updateComponentTreeUI(window); for (Window owned : window.getOwnedWindows()) { updateAllComponentTreeUIs(owned); } } }