Source Code : Determining When a Frame or Window Is Iconized or Maximized

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Determining When a Frame or Window Is Iconized or Maximized

    
import java.awt.Frame;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowStateListener;

public class Main {
  public static void main() {

    Frame frame = new Frame();

    WindowStateListener listener = new WindowAdapter() {
      public void windowStateChanged(WindowEvent evt) {
        int oldState = evt.getOldState();
        int newState = evt.getNewState();

        if ((oldState & Frame.ICONIFIED) == 0 && (newState & Frame.ICONIFIED) != 0) {
          System.out.println("Frame was iconized");
        } else if ((oldState & Frame.ICONIFIED) != 0 && (newState & Frame.ICONIFIED) == 0) {
          System.out.println("Frame was deiconized");
        }

        if ((oldState & Frame.MAXIMIZED_BOTH) == 0 && (newState & Frame.MAXIMIZED_BOTH) != 0) {
          System.out.println("Frame was maximized");
        } else if ((oldState & Frame.MAXIMIZED_BOTH) != 0 && (newState & Frame.MAXIMIZED_BOTH) == 0) {
          System.out.println("Frame was minimized");
        }
      }
    };

    frame.addWindowStateListener(listener);
    frame.setVisible(true);
  }
}

   
    
    
    
  

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