鍍金池/ 教程/ Java/ SWING WindowEvent事件類
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SWING WindowEvent事件類

這個類的對象表示一個窗口的狀態(tài)的變化。這種低層次的事件所產(chǎn)生的一個窗口對象,當它被打開,關(guān)閉,激活,停用,圖標化,或當焦點轉(zhuǎn)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

以下為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(gòu)造函數(shù)

S.N. 構(gòu)造函數(shù) & 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