A two-way binding does not work

Hello!
Maybe I did something wrong, but the link two-way thic simple code does not work correctly.
package simple;

import javafx.application.Application;
import javafx.scene.GroupBuilder;
import javafx.scene.Scene;
import javafx.scene.SceneBuilder;
import javafx.scene.control.CheckBox;
import javafx.scene.control.CheckBoxBuilder;
import javafx.scene.paint.Color;
import javafx.stage.Stage;

public class BiDiBug extends Application {
  
  CheckBox checkBoxResizable;
 
  public static void main(String[] args) {
    Application.launch(args);
  }
  
  @Override
  public void start(Stage stage) {
  
     stage.setResizable(true);
       
    Scene scene  = SceneBuilder.create()
      .width(200)
      .height(100)
      .fill(Color.TRANSPARENT)
      .root(
        GroupBuilder.create()
             .children(
                checkBoxResizable = CheckBoxBuilder.create()
                  .selected(stage.isResizable())
                  .text("Is Stage resizable")
                  .build()
                
              )
              .build()
          )
       .build();
    
    checkBoxResizable.selectedProperty()
            .bindBidirectional(stage.resizableProperty());
    
    // This code not works too:
    
    //stage.resizableProperty()
    //          .bindBidirectional(checkBoxResizable.selectedProperty());
    
    stage.setScene(scene);
    stage.show();
  }
}
Is it bug or feature?

I do not understand your two-way binding.
You can control the resizing scene using the checkbox.
How are you trying to change the box through the resize property?
You can attach a listener to the box to resize the stage.

import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.scene.Group;
import javafx.scene.GroupBuilder;
import javafx.scene.Scene;
import javafx.scene.SceneBuilder;
import javafx.scene.control.CheckBox;
import javafx.scene.control.CheckBoxBuilder;
import javafx.scene.paint.Color;
import javafx.stage.Stage;

public class BiDiBug extends Application {

    CheckBox checkBoxResizable;

    public static void main(String[] args) {
        Application.launch(args);
    }

    @Override
    public void start(final Stage stage) {

        //stage.setResizable(true);

        Group root = new Group();

        Scene scene = SceneBuilder.create()
                .width(200)
                .height(100)
                .fill(Color.TRANSPARENT)
                .root(
                GroupBuilder.create()
                .children(
                checkBoxResizable = CheckBoxBuilder.create()
                .selected(stage.isResizable())
                .text("Is Stage resizable")
                .build())
                .build())
                .build();

        checkBoxResizable.selectedProperty().addListener(new ChangeListener() {
            public void changed(ObservableValue observable, Boolean oldValue, Boolean newValue) {

                stage.setResizable(checkBoxResizable.selectedProperty().get());

            }
        });

        stage.setScene(scene);
        stage.show();

    }
}

Tags: Java

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