SWING - Event Classes-Component Event Class - Java Swing

What is SWING Component Event Class?

Introduction

The Class ComponentEvent represents that a component has moved, changed size, or changed visibility

Class Declaration

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

Field

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

  • static int COMPONENT_FIRST − The first number in the range of IDs used for component events.
  • static int COMPONENT_HIDDEN − This event indicates that the component was rendered invisible.
  • static int COMPONENT_LAST − The last number in the range of IDs used for component events.
  • static int COMPONENT_MOVED − This event indicates that the component's position has changed.
  • static int COMPONENT_RESIZED − This event indicates that the component's size has changed.
  • static int COMPONENT_SHOWN − This event indicates that the component was made visible.

Class Constructors

Sr.No. Constructor & Description
1
ComponentEvent(Component source, int id)
Constructs a ComponentEvent object.

Class Methods

Sr.No. Method & Description
1
Component getComponent()
Returns the originator of the event.
2
String paramString()
Returns a parameter string identifying this event.

Methods Inherited

This interface inherits methods from the following classes −

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

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