Java Swing Tutorial - Java DesktopManager .activateFrame (JInternalFrame f)

Syntax

DesktopManager.activateFrame(JInternalFrame f) has the following syntax.

void activateFrame(JInternalFrame f)

Example

In the following code shows how to use DesktopManager.activateFrame(JInternalFrame f) method.

//from w ww .ja v a  2 s .  c o  m

import java.awt.BorderLayout;

import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JLabel;

public class Main {
  public static void main(final String[] args) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JDesktopPane desktop = new JDesktopPane();
    JInternalFrame internalFrame = new JInternalFrame("Can Do All", true, true, true, true);

    desktop.add(internalFrame);

    internalFrame.setBounds(25, 25, 200, 100);

    JLabel label = new JLabel(internalFrame.getTitle(), JLabel.CENTER);
    internalFrame.add(label, BorderLayout.CENTER);

    internalFrame.setVisible(true);

    desktop.getDesktopManager().activateFrame(internalFrame);

    frame.add(desktop, BorderLayout.CENTER);
    frame.setSize(500, 300);
    frame.setVisible(true);
  }
}