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

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Class java.awt.event.ContainerEvent

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

public class ContainerEvent
extends ComponentEvent

The class for container-level events. These events are provided for notification purposes ONLY; The AWT will automatically handle container add and remove operations internally.

See Also:: ContainerListener

COMPONENT_ADDED: The component moved event type.
COMPONENT_REMOVED: The component resized event type.
CONTAINER_FIRST: Marks the first integer id for the range of container event ids.
CONTAINER_LAST: Marks the last integer id for the range of container event ids.

ContainerEvent(Component, int, Component): Constructs a ContainerEvent object with the specified source container, type, and child which is being added or removed.

getChild(): Returns the child component that was added or removed in this event.
getContainer(): Returns the container where this event originated.
paramString()

CONTAINER_FIRST

 public static final int CONTAINER_FIRST

Marks the first integer id for the range of container event ids.

CONTAINER_LAST

 public static final int CONTAINER_LAST

Marks the last integer id for the range of container event ids.

COMPONENT_ADDED

 public static final int COMPONENT_ADDED

The component moved event type.

COMPONENT_REMOVED

 public static final int COMPONENT_REMOVED

The component resized event type.

ContainerEvent

 public ContainerEvent(Component source,
                       int id,
                       Component child)

Constructs a ContainerEvent object with the specified source container, type, and child which is being added or removed.

Parameters:: source - the container where the event originated

getContainer

 public Container getContainer()

Returns the container where this event originated.

getChild

 public Component getChild()

Returns the child component that was added or removed in this event.

paramString

 public String paramString()

Overrides:: paramString in class ComponentEvent

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