How to trap the Window state? [closed]

2019-07-26 23:38发布

I'd a snipped and want to know how to trap it?

frame.addWindowStateListener(new WindowStateListener(){
    public void windowStateChanged(WindowEvent e) {
        System.out.println(e.getNewState());//I need to trap this state when it prints 7
    }
});

When the instance of frame is visible then after maximizing and then clicking on minimize button it prints 7(the state of window). I need to trap that state. Can any body tell me how to do so?
I already know that the e.getNewState() will return 7 but I want the name of this state.

1条回答
来,给爷笑一个
2楼-- · 2019-07-27 00:24

To check if a window was minimized use:

e.getNewState() == WindowEvent.WINDOW_ICONIFIED

For maximizing use: WindowEvent.WINDOW_DEICONIFIED

if(e.getNewState()==7){//your code goes here}

here 7 is the state on minimizing when its previous state is maximized.

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