SWING - ActionEvent Class
This class is defined in java.awt.event package. The ActionEvent is generated when button is clicked or the item of a list is double clicked.
Class declaration
Following is the declaration for java.awt.event.ActionEvent class:
public class ActionEvent extends AWTEvent
Field
Following are the fields for java.awt.event.ActionEvent class:
static int ACTION_FIRST -- The first number in the range of ids used for action events.
static int ACTION_LAST -- The last number in the range of ids used for action events.
static int ACTION_PERFORMED -- This event id indicates that a meaningful action occured.
static int ALT_MASK -- The alt modifier.
static int CTRL_MASK -- The control modifier.
static int META_MASK -- The meta modifier.
static int SHIFT_MASK -- The shift modifier.
Class constructors
| S.N. | Constructor & Description |
|---|---|
| 1 | ActionEvent(java.lang.Object source, int id, java.lang.String command)
Constructs an ActionEvent object. |
| 2 | ActionEvent(java.lang.Object source, int id, java.lang.String command, int modifiers)
Constructs an ActionEvent object with modifier keys. |
| 3 | ActionEvent(java.lang.Object source, int id, java.lang.String command, long when, int modifiers)
Constructs an ActionEvent object with the specified modifier keys and timestamp. |
Class methods
| S.N. | Method & Description |
|---|---|
| 1 | java.lang.String getActionCommand() Returns the command string associated with this action. |
| 2 | int getModifiers() Returns the modifier keys held down during this action event. |
| 3 | long getWhen() Returns the timestamp of when this event occurred. |
| 4 | java.lang.String paramString() Returns a parameter string identifying this action event. |
Methods inherited
This class inherits methods from the following classes:
java.awt.AWTEvent
java.util.EventObject
java.lang.Object