下列WindowListener接口方法中当窗口被激活时调用的方法是( )。 A: windowActivated(WindowEvent) B: windowClosed(WindowEvent) C: windowOpened(WindowEvent) D: windowDeactivated(WindowEvent)
下列WindowListener接口方法中当窗口被激活时调用的方法是( )。 A: windowActivated(WindowEvent) B: windowClosed(WindowEvent) C: windowOpened(WindowEvent) D: windowDeactivated(WindowEvent)
当窗口被激活时,调用的窗口事件的方法是() A: Public void windowDeactivated ( WindowEvent ) B: Public void windowIconified( WindowEvent ) C: Public void windowActivated ( WindowEvent ) D: Public void windowOpened ( WindowEvent )
当窗口被激活时,调用的窗口事件的方法是() A: Public void windowDeactivated ( WindowEvent ) B: Public void windowIconified( WindowEvent ) C: Public void windowActivated ( WindowEvent ) D: Public void windowOpened ( WindowEvent )
当窗口被激活时,调用的窗口事件的方法是()。 A: Public<br/>void windowDeactivated ( WindowEvent ) B: Public<br/>void windowOpened ( WindowEvent ) C: Public<br/>void windowIconified( WindowEvent ) D: Public<br/>void windowActivated ( WindowEvent )
当窗口被激活时,调用的窗口事件的方法是()。 A: Public<br/>void windowDeactivated ( WindowEvent ) B: Public<br/>void windowOpened ( WindowEvent ) C: Public<br/>void windowIconified( WindowEvent ) D: Public<br/>void windowActivated ( WindowEvent )
当窗口从非激活状态到激活时,窗口的监视器调用_____方法。 A: public void windowDeactivated(WindowEvent e) B: public void windowActivated(WindowEvent e) C: public void windowClosing(WindowEvent e) D: public void windowIconified(WindowEvent e)
当窗口从非激活状态到激活时,窗口的监视器调用_____方法。 A: public void windowDeactivated(WindowEvent e) B: public void windowActivated(WindowEvent e) C: public void windowClosing(WindowEvent e) D: public void windowIconified(WindowEvent e)
【单选题】(A537f)当窗口被激活时,调用的窗口事件的方法是()。 A. public void windowDeactivated ( WindowEvent e); B. public void windowIconified( WindowEvent e); C. public void windowActivated ( WindowEvent e); D. public void windowOpened ( WindowEvent e);
【单选题】(A537f)当窗口被激活时,调用的窗口事件的方法是()。 A. public void windowDeactivated ( WindowEvent e); B. public void windowIconified( WindowEvent e); C. public void windowActivated ( WindowEvent e); D. public void windowOpened ( WindowEvent e);
WindowEvent属于_________事件,而ActionEvent属于____________事件
WindowEvent属于_________事件,而ActionEvent属于____________事件
哪个方法可得到 WindowEvent 中的事件源 ?
哪个方法可得到 WindowEvent 中的事件源 ?
getFrame方法可以从WindowEvent获取事件源。
getFrame方法可以从WindowEvent获取事件源。
(1506—78)点击JFrame中的JButton对象会产生WindowEvent事件。
(1506—78)点击JFrame中的JButton对象会产生WindowEvent事件。
单击按钮会产生以下事件( ) A: ActionEvent B: WindowEvent C: MouseMotionEvent D: TextEvent
单击按钮会产生以下事件( ) A: ActionEvent B: WindowEvent C: MouseMotionEvent D: TextEvent