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Class java.awt.event.ComponentEvent - JDK 5 Documentation v1.1.8, Java 2 SDK 英文文档

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Class java.awt.event.ComponentEvent

java.lang.Object
   |
   +----java.util.EventObject
           |
           +----java.awt.AWTEvent
                   |
                   +----java.awt.event.ComponentEvent

public class ComponentEvent
extends AWTEvent
The root event class for all component-level events. These events are provided for notification purposes ONLY; The AWT will automatically handle component moves and resizes internally so that GUI layout works properly regardless of whether a program is receiving these events or not.

See Also:
ComponentListener

Variable Index

 o COMPONENT_FIRST
Marks the first integer id for the range of component event ids.
 o COMPONENT_HIDDEN
The component hidden event type.
 o COMPONENT_LAST
Marks the last integer id for the range of component event ids.
 o COMPONENT_MOVED
The component moved event type.
 o COMPONENT_RESIZED
The component resized event type.
 o COMPONENT_SHOWN
The component shown event type.

Constructor Index

 o ComponentEvent(Component, int)
Constructs a ComponentEvent object with the specified source component and type.

Method Index

 o getComponent()
Returns the component where this event originated.
 o paramString()

Variables

 o COMPONENT_FIRST
 public static final int COMPONENT_FIRST
Marks the first integer id for the range of component event ids.

 o COMPONENT_LAST
 public static final int COMPONENT_LAST
Marks the last integer id for the range of component event ids.

 o COMPONENT_MOVED
 public static final int COMPONENT_MOVED
The component moved event type.

 o COMPONENT_RESIZED
 public static final int COMPONENT_RESIZED
The component resized event type.

 o COMPONENT_SHOWN
 public static final int COMPONENT_SHOWN
The component shown event type.

 o COMPONENT_HIDDEN
 public static final int COMPONENT_HIDDEN
The component hidden event type.

Constructors

 o ComponentEvent
 public ComponentEvent(Component source,
                       int id)
Constructs a ComponentEvent object with the specified source component and type.

Parameters:
source - the component where the event originated

Methods

 o getComponent
 public Component getComponent()
Returns the component where this event originated.

 o paramString
 public String paramString()
Overrides:
paramString in class AWTEvent

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