如何在JavaFX中获取舞台的关闭事件？ [英] How do I get the close event of a stage in JavaFX?

问题描述

在JavaFX中，如果用户点击某个阶段的关闭按钮（X）（最右上角），我怎样才能获得该事件？

In JavaFX, how can I get the event if a user clicks the Close Button(X) (right most top cross) a stage?

我想要我的应用程序在窗口关闭时打印调试消息。 （ System.out.println（单击应用程序关闭以关闭按钮（X）））

I want my application to print a debug message when the window is closed. (System.out.println("Application Close by click to Close Button(X)"))

@Override
   public void start(Stage primaryStage) {
        StackPane root = new StackPane();
       root.getChildren().add(btn);
       Scene scene = new Scene(root, 300, 250);
       primaryStage.setTitle("Hello World!");
       primaryStage.setScene(scene);
       primaryStage.show();

       // Any Event Handler
       //{
       System.out.println("Application(primaryStage) Closed by click to Close Button(X)");
       //}
   }

推荐答案

我得到了这个问题的答案

I got the answer for this question

stage.setOnHiding(new EventHandler<WindowEvent>() {

         @Override
         public void handle(WindowEvent event) {
             Platform.runLater(new Runnable() {

                 @Override
                 public void run() {
                     System.out.println("Application Closed by click to Close Button(X)");
                     System.exit(0);
                 }
             });
         }
     });

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