ContainerEvent

Name

Description

Container events are fired off when a component is added to or removed from a container. The AWT automatically deals with adding components to containers; these events are provided only for notification.

Class Definition

public class java.awt.event.ContainerEvent extends java.awt.event.ComponentEvent {
 // Constants public final static int COMPONENT_ADDED;
public final static int COMPONENT_REMOVED;
public final static int CONTAINER_FIRST;
public final static int CONTAINER_LAST; // Constructors public ContainerEvent (Component source, int id, Component child); // Instance Methods public Component getChild();
public Container getContainer();
public String paramString();
}

Constants

COMPONENT_ADDED

public final static int COMPONENT_ADDED

Event type ID indicating that a component was added to a container.

CONTAINER_FIRST

public final static int CONTAINER_FIRST

Specifies the beginning range of container event ID values.

CONTAINER_LAST

public final static int CONTAINER_LAST

Specifies the ending range of container event ID values.

COMPONENT_REMOVED

public final static int COMPONENT_REMOVED

Event type ID indicating that a component was removed from a container.

Constructors

ContainerEvent

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

• Parameters
• • source
  • The object that generated the event.
  • id
  • The event type ID of the event.
  • child
  • The component that was added or removed.
• Description
• Constructs a ContainerEvent with the given characteristics.

Instance Methods

getChild

public Component getChild()

• Returns
• The component that is being added or removed.

getContainer

public Container getContainer()

• Returns
• The container for this event.

paramString

public String paramString()

• Returns
• String with current settings of the ContainerEvent.
• Overrides
• ComponentEvent.paramString()
• Description
• Helper method for toString() to generate string of current settings.

See Also

Component, ComponentEvent, Container, ContainerAdapter, ContainerListener