SWING - ContainerEvent Class


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Introduction

The Class ContainerEvent represents that a container's contents changed because a component was added or removed.

Class Declaration

Following is the declaration for java.awt.event.ContainerEvent class −

public class ContainerEvent
   extends ComponentEvent

Field

Following are the fields for java.awt.Component class −

  • static int COMPONENT_ADDED − This event indicates that a component was added to the container.

  • static int COMPONENT_REMOVED − This event indicates that a component was removed from the container.

  • static int CONTAINER_FIRST − The first number in the range of IDs used for container events.

  • static int CONTAINER_LAST − The last number in the range of IDs used for container events.

Class Constructors

Sr.No. Constructor & Description
1

ContainerEvent(Component source, int id, Component child)

Constructs a ContainerEvent object.

Class Methods

S.No. Method & Description
1

Component getChild()

Returns the component that was affected by the event.

2

Container getContainer()

Returns the originator of the event.

3

String paramString()

Returns a parameter string identifying this event.

Methods Inherited

This class inherits methods from the following classes −

  • java.awt.ComponentEvent
  • java.awt.AWTEvent
  • java.util.EventObject
  • java.lang.Object

swing_event_classes.htm

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