SWING WindowEvent事件類
這個類的對象表示一個窗口的狀態的變化。這種低層次的事件所產生的一個窗口對象,當它被打開,關閉,激活,停用,圖標化,或當焦點轉移到窗外。
類聲明
以下是聲明 java.awt.event.WindowEvent類:
public class WindowEvent extends ComponentEvent
字段域
以下爲java.awt.event.WindowEvent類字段:
static int WINDOW_ACTIVATED --The window-activated event type.
static int WINDOW_CLOSED -- The window closed event.
static int WINDOW_CLOSING -- The "window is closing" event.
static int WINDOW_DEACTIVATED -- The window-deactivated event type.
static int WINDOW_DEICONIFIED -- The window deiconified event type.
static int WINDOW_FIRST -- The first number in the range of ids used for window events.
static int WINDOW_GAINED_FOCUS -- The window-gained-focus event type.
static int WINDOW_ICONIFIED -- The window iconified event.
static int WINDOW_LAST -- The last number in the range of ids used for window events.
static int WINDOW_LOST_FOCUS -- The window-lost-focus event type.
static int WINDOW_OPENED -- The window opened event.
static int WINDOW_STATE_CHANGED -- The window-state-changed event type.
類構造函數
S.N.
構造函數 & 描述
1
WindowEvent(Window source, int id)
Constructs a WindowEvent object.
2
WindowEvent(Window source, int id, int oldState, int newState)
Constructs a WindowEvent object with the specified previous and new window states.
3
WindowEvent(Window source, int id, Window opposite)
Constructs a WindowEvent object with the specified opposite Window.
4
WindowEvent(Window source, int id, Window opposite, int oldState, int newState)
Constructs a WindowEvent object.
類方法
S.N.
方法 & 描述
1
int getNewState()
For WINDOW_STATE_CHANGED events returns the new state of the window.
2
int getOldState()
For WINDOW_STATE_CHANGED events returns the previous state of the window.
3
Window getOppositeWindow()
Returns the other Window involved in this focus or activation change.
4
Window getWindow()
Returns the originator of the event.
5
String paramString()
Returns a parameter string identifying this event.
方法繼承
這個類從以下類繼承的方法:
java.awt.event.ComponentEvent
java.awt.AWTEvent
java.util.EventObject
java.lang.Object