• 2021-04-14
    哪个方法可得到 WindowEvent 中的事件源 ?
  • getSource() --- getWindow()

    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。