SWING WindowEvent事件类
这个类的对象表示一个窗口的状态的变化。这种低层次的事件所产生的一个窗口对象,当它被打开,关闭,激活,停用,图标化,或当焦点转移到窗外。
类声明
以下是声明 java.awt.event.WindowEvent类:
public class WindowEvent extends ComponentEvent
字段域
以下为java.awt.event.WindowEvent类字段:
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static int WINDOW_ACTIVATED --The window-activated event type.
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static int WINDOW_CLOSED -- The window closed event.
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static int WINDOW_CLOSING -- The "window is closing" event.
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static int WINDOW_DEACTIVATED -- The window-deactivated event type.
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static int WINDOW_DEICONIFIED -- The window deiconified event type.
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static int WINDOW_FIRST -- The first number in the range of ids used for window events.
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static int WINDOW_GAINED_FOCUS -- The window-gained-focus event type.
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static int WINDOW_ICONIFIED -- The window iconified event.
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static int WINDOW_LAST -- The last number in the range of ids used for window events.
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static int WINDOW_LOST_FOCUS -- The window-lost-focus event type.
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static int WINDOW_OPENED -- The window opened event.
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static int WINDOW_STATE_CHANGED -- The window-state-changed event type.
类构造函数
S.N. | 构造函数 & 描述 |
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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. |
类方法
S.N. | 方法 & 描述 |
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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. |
方法继承
这个类从以下类继承的方法:
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java.awt.event.ComponentEvent
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java.awt.AWTEvent
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java.util.EventObject
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java.lang.Object