2018-03-14

I've got a class in java for a swing application that extends JFrame. Everything works great, but come time to close the window from within

JFrame.DISPOSE_ON_CLOSE — Dispose of the frame object, but keep the application running. Questions: I don’t get how can I employ this code: frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); to close the program with the x button. Answers: You need the line frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); Because the default behaviour for the JFrame when you press the X button is the equivalent to frame.setDefaultCloseOperation(WindowConstants.HIDE_ON_CLOSE); So You will need a reference to the specific frame you want to close but assuming you have the reference dispose() should close the frame. jButton1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { frameToClose.dispose(); } }); JFrame.EXIT_ON_CLOSE and DISPOSE_ON_CLOSE.

Java jframe close

Set it to DO_NOTHING_ON_CLOSE to disable it − frame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE); The following is an example to disable close button on a JFrame in The setDefaultCloseOperation() method is used to specify one of several options for the close button. Use one of the following constants to specify your choice: JFrame.EXIT_ON_CLOSE — Exit the application. JFrame.HIDE_ON_CLOSE — Hide the frame, but keep the application running. Java Frame.DO_NOTHING_ON_CLOSE and dispose() - DO_NOTHING_ON_CLOSE : makes the close operation for the frame window ineffective.

Nov 11, 2019 What's the correct way to get a JFrame to close, the same as if the user had hit the X close button, or pressed Alt+F4 (on Windows)?I have my System.exit(0); return; EEMainFrame is extended from JFrame There has to be a better way of doing this. If it's not in there , the System.exit(0) is called and kills Looking through the source for Window.java, there is a method called The other frame will have two buttons: "Open Dialog" and "Close Dialog".

In this video, you will learn how to add a default close operation to your application window in Java Swing so that the Application will terminate itself ins

December 11, 2014. February 17, 2015. by Java Tutorial. DISPOSE_ON_CLOSE : This method is used to close the current frame.

Java Frame.DO_NOTHING_ON_CLOSE and dispose() - DO_NOTHING_ON_CLOSE : makes the close operation for the frame window ineffective. dispose() : This method is used to close the all frame and finally to terminate the application.

• AWT (java.awt): “Contains all of the classes for setDefaultCloseOperation(.

JFrame.defaultCloseOperation(int option) This is the simplest technique. is to call the defaultClostOperationmethod of a JFrame, supplying the desired option value. The method JFrame.setVisible can be used to hide or display the JFrame based on the arguments, while JFrame.dispose will actually "destroy" the frame, by closing it and freeing up resources that it used. Called when the application is sent the Quit event.
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JFrame frame = new JFrame (); JButton button = new JButton ("Click to Close!"); 2018-03-14 · By default, when you create a JFrame in a Java client-side application, and the user presses the exit button on the JFrame, the JFrame window is closed, but the application continues to run, essentially running in the background, as you typically don't have a way of showing that JFrame again.

If playback doesn't begin shortly, try Java Frame.DO_NOTHING_ON_CLOSE and dispose() - DO_NOTHING_ON_CLOSE : makes the close operation for the frame window ineffective. dispose() : This method is used to close the all frame and finally to terminate the application. - Java Swings consultants and developers - Jaspersoft Studio Reports consultants and developersPing me on Skype ID : jysuryam@outlook.comHow to Close JFrame Get code examples like "java close jframe" instantly right from your google search results with the Grepper Chrome Extension.
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setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); import java.awt.Color;. import javax.swing.JFrame;. public class Test { static JFrame

Home Java Java - how do I check whether a JFrame is closed. December 11, 2014.

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JLabel; public class huvudklassen extends JFrame { static GraphicsConfiguration gc setDefaultCloseOperation(EXIT_ON_CLOSE); frame1.

Java Forums on Bytes. Hello, all !!! Tell me plz, which function closes JFrame. I want to close it by button "Close". 2019-05-09 · At first, create a JFrame − JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setPreferredSize(new Dimension(550, 300)); Now, change the background color of the JFrame − frame.getContentPane().setBackground(Color.BLUE); The following is an example to change JFrame background color − Example This article will teach you on how to create JFrame in Java. The JFrame class is a subclass of Frame in java.awt package.