InternalFrameListener (Java SE 26 & JDK 26)
Description: declaration: module: java.desktop, package: javax.swing.event, interface: InternalFrameListener
Keywords: javax.swing.event.InternalFrameListener interface

# Interface InternalFrameListener

All Superinterfaces:
  `EventListener`

All Known Implementing Classes:
  `BasicInternalFrameUI.BasicInternalFrameListener, InternalFrameAdapter`

public interface InternalFrameListener extends EventListener
The listener interface for receiving internal frame events. This class is functionally equivalent to the WindowListener class in the AWT.

See How to Write an Internal Frame Listener in The Java Tutorial for further documentation.

See Also:
  - `WindowListener`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `internalFrameActivated(InternalFrameEvent e)`
  Invoked when an internal frame is activated.
  `void`
  `internalFrameClosed(InternalFrameEvent e)`
  Invoked when an internal frame has been closed.
  `void`
  `internalFrameClosing(InternalFrameEvent e)`
  Invoked when an internal frame is in the process of being closed.
  `void`
  `internalFrameDeactivated(InternalFrameEvent e)`
  Invoked when an internal frame is de-activated.
  `void`
  `internalFrameDeiconified(InternalFrameEvent e)`
  Invoked when an internal frame is de-iconified.
  `void`
  `internalFrameIconified(InternalFrameEvent e)`
  Invoked when an internal frame is iconified.
  `void`
  `internalFrameOpened(InternalFrameEvent e)`
  Invoked when a internal frame has been opened.

- ## Method Details

  - ### internalFrameOpened

    void internalFrameOpened(InternalFrameEvent e)
    Invoked when a internal frame has been opened.
    Parameters:
      `e` - an `InternalFrameEvent` with information about the `JInternalFrame` that originated the event
    See Also:
      - `JInternalFrame.show()`

  - ### internalFrameClosing

    void internalFrameClosing(InternalFrameEvent e)
    Invoked when an internal frame is in the process of being closed. The close operation can be overridden at this point.
    Parameters:
      `e` - an `InternalFrameEvent` with information about the `JInternalFrame` that originated the event
    See Also:
      - `JInternalFrame.setDefaultCloseOperation(int)`

  - ### internalFrameClosed

    void internalFrameClosed(InternalFrameEvent e)
    Invoked when an internal frame has been closed.
    Parameters:
      `e` - an `InternalFrameEvent` with information about the `JInternalFrame` that originated the event
    See Also:
      - `JInternalFrame.setClosed(boolean)`

  - ### internalFrameIconified

    void internalFrameIconified(InternalFrameEvent e)
    Invoked when an internal frame is iconified.
    Parameters:
      `e` - an `InternalFrameEvent` with information about the `JInternalFrame` that originated the event
    See Also:
      - `JInternalFrame.setIcon(boolean)`

  - ### internalFrameDeiconified

    void internalFrameDeiconified(InternalFrameEvent e)
    Invoked when an internal frame is de-iconified.
    Parameters:
      `e` - an `InternalFrameEvent` with information about the `JInternalFrame` that originated the event
    See Also:
      - `JInternalFrame.setIcon(boolean)`

  - ### internalFrameActivated

    void internalFrameActivated(InternalFrameEvent e)
    Invoked when an internal frame is activated.
    Parameters:
      `e` - an `InternalFrameEvent` with information about the `JInternalFrame` that originated the event
    See Also:
      - `JInternalFrame.setSelected(boolean)`

  - ### internalFrameDeactivated

    void internalFrameDeactivated(InternalFrameEvent e)
    Invoked when an internal frame is de-activated.
    Parameters:
      `e` - an `InternalFrameEvent` with information about the `JInternalFrame` that originated the event
    See Also:
      - `JInternalFrame.setSelected(boolean)`