哪个方法可得到 WindowEvent 中的事件源 ?
getSource() --- getWindow()
举一反三
- getFrame方法可以从WindowEvent获取事件源。
- 事件getSource()方法得到的事件源对象。
- 下列Java常见事件类中哪个是鼠标事件类? A: InputEvent B: KevEvent C: MouseEvent D: 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 )
- 中国大学MOOC:事件getSource()方法得到的事件源对象。
内容
- 0
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)
- 1
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 )
- 2
WindowEvent属于_________事件,而ActionEvent属于____________事件
- 3
【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);
- 4
中国大学MOOC: 对于某个事件对象e,使用getSource方法得到事件源。