AWT WindowEvent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。
類的聲明
以下是聲明的 java.awt.event.WindowEvent類:
public class WindowEvent extends ComponentEvent
字段域
字段類java.awt.event.WindowEvent:
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static int WINDOW_ACTIVATED --窗口激活的事件類型.
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static int WINDOW_CLOSED -- 窗口關閉事件。
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static int WINDOW_CLOSING -- “窗口正在關閉”的事件。
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static int WINDOW_DEACTIVATED -- 窗口停用的事件類型。
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static int WINDOW_DEICONIFIED -- 窗口圖標化事件類型。
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static int WINDOW_FIRST -- 用於窗口事件的ID範圍內的第一個數字。
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static int WINDOW_GAINED_FOCUS -- 窗口獲得焦點的事件類型。
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static int WINDOW_ICONIFIED -- 窗口圖標化事件。
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static int WINDOW_LAST -- 最後一個數字範圍內用於窗口事件的ID。
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static int WINDOW_LOST_FOCUS -- 窗口失去焦點的事件類型。
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static int WINDOW_OPENED -- 打開的窗口事件。
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static int WINDOW_STATE_CHANGED -- 窗口狀態改變的事件類型。
類的構造函數
S.N. | 構造函數與說明 |
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1 |
WindowEvent(Window source, int id) Constructs a WindowEvent object. |
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WindowEvent(Window source, int id, int oldState, int newState) Constructs a WindowEvent object with the specified previous and new window states. |
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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. | 方法和說明 |
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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. |
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Window getOppositeWindow() Returns the other Window involved in this focus or activation change. |
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Window getWindow() Returns the originator of the event. |
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String paramString() Returns a parameter string identifying this event. |
繼承的方法
這個類繼承的方法從以下類:
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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