WindowEvent (JavaFX 25)
Description: declaration: module: javafx.graphics, package: javafx.stage, class: WindowEvent

# Class WindowEvent

java.lang.Object
java.util.EventObject
javafx.event.Event
javafx.stage.WindowEvent

All Implemented Interfaces:
  `Serializable, Cloneable`

public class WindowEvent extends Event
Event related to window showing/hiding actions.

Since:
  JavaFX 2.0
See Also:
  - Serialized Form

- ## Field Summary

  Fields
  Modifier and Type
  Field
  Description
  `static final EventType<WindowEvent>`
  `ANY`
  Common supertype for all window event types.
  `static final EventType<WindowEvent>`
  `WINDOW_CLOSE_REQUEST`
  This event is delivered to a window when there is an external request to close that window.
  `static final EventType<WindowEvent>`
  `WINDOW_HIDDEN`
  This event occurs on window just after it is hidden.
  `static final EventType<WindowEvent>`
  `WINDOW_HIDING`
  This event occurs on window just before it is hidden.
  `static final EventType<WindowEvent>`
  `WINDOW_SHOWING`
  This event occurs on window just before it is shown.
  `static final EventType<WindowEvent>`
  `WINDOW_SHOWN`
  This event occurs on window just after it is shown.

  ### Fields declared in class Event

  `consumed, eventType, NULL_SOURCE_TARGET, target`

  ### Fields declared in class EventObject

  `source`

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `WindowEvent(Window source, EventType<? extends Event> eventType)`
  Construct a new `Event` with the specified event source, target and type.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `WindowEvent`
  `copyFor(Object newSource, EventTarget newTarget)`
  Creates and returns a copy of this event with the specified event source and target.
  `WindowEvent`
  `copyFor(Object newSource, EventTarget newTarget, EventType<WindowEvent> type)`
  Creates a copy of the given event with the given fields substituted.
  `EventType<WindowEvent>`
  `getEventType()`
  Gets the event type of this event.
  `String`
  `toString()`
  Returns a string representation of this `WindowEvent` object.

  ### Methods declared in class Event

  `clone, consume, fireEvent, getTarget, isConsumed`

  ### Methods declared in class EventObject

  `getSource`

  ### Methods declared in class Object

  `equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- ## Field Details

  - ### ANY

    public static final EventType<WindowEvent> ANY
    Common supertype for all window event types.

  - ### WINDOW_SHOWING

    public static final EventType<WindowEvent> WINDOW_SHOWING
    This event occurs on window just before it is shown.

  - ### WINDOW_SHOWN

    public static final EventType<WindowEvent> WINDOW_SHOWN
    This event occurs on window just after it is shown.

  - ### WINDOW_HIDING

    public static final EventType<WindowEvent> WINDOW_HIDING
    This event occurs on window just before it is hidden.

  - ### WINDOW_HIDDEN

    public static final EventType<WindowEvent> WINDOW_HIDDEN
    This event occurs on window just after it is hidden.

  - ### WINDOW_CLOSE_REQUEST

    public static final EventType<WindowEvent> WINDOW_CLOSE_REQUEST
    This event is delivered to a window when there is an external request to close that window. If the event is not consumed by any installed window event handler, the default handler for this event closes the corresponding window.

- ## Constructor Details

  - ### WindowEvent

    public WindowEvent(Window source, EventType<? extends Event> eventType)
    Construct a new `Event` with the specified event source, target and type. If the source or target is set to `null`, it is replaced by the `NULL_SOURCE_TARGET` value.
    Parameters:
      `source` - the event source which sent the event
      `eventType` - the event type

- ## Method Details

  - ### toString

    public String toString()
    Returns a string representation of this `WindowEvent` object.
    Overrides:
      `toString` in class `EventObject`
    Returns:
      a string representation of this `WindowEvent` object.

  - ### copyFor

    public WindowEvent copyFor(Object newSource, EventTarget newTarget)
    Description copied from class: `Event`
    Creates and returns a copy of this event with the specified event source and target. If the source or target is set to `null`, it is replaced by the `NULL_SOURCE_TARGET` value.
    Overrides:
      `copyFor` in class `Event`
    Parameters:
      `newSource` - the new source of the copied event
      `newTarget` - the new target of the copied event
    Returns:
      the event copy with the new source and target

  - ### copyFor

    public WindowEvent copyFor(Object newSource, EventTarget newTarget, EventType<WindowEvent> type)
    Creates a copy of the given event with the given fields substituted.
    Parameters:
      `newSource` - the new source of the copied event
      `newTarget` - the new target of the copied event
      `type` - the new eventType
    Returns:
      the event copy with the fields substituted
    Since:
      JavaFX 8.0

  - ### getEventType

    public EventType<WindowEvent> getEventType()
    Description copied from class: `Event`
    Gets the event type of this event. Objects of the same `Event` class can have different event types. These event types further specify what kind of event occurred.
    Overrides:
      `getEventType` in class `Event`
    Returns:
      the event type