Java tutorial
//package com.java2s; /* * Copyright 2014 Loic Merckel * * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except * in compliance with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under the License * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express * or implied. See the License for the specific language governing permissions and limitations under * the License. */ import java.awt.Frame; public class Main { public static Frame tryFindSuitableFrameOwner() { Frame owner = null; // find a suitable owner, if any Frame[] allFrames = Frame.getFrames(); if (allFrames != null) { for (Frame frame : allFrames) { if (frame == null) continue; if (!frame.isShowing()) continue; if (!frame.isActive()) continue; owner = frame; break; } } return owner; } }