handing window closing envent question.

i want before window is close by user (click on window x button), my application ask and give user a last change by show yes no dialog ,if yes do close window if no, rollback (do nothing, window still visible) i listening on windowClosing event but i don't know how to rollback, here my code

        f.addWindowListener(new WindowAdapter() {
                                public void windowClosing(WindowEvent e) {
                                    if(showQuestionDialog("Would you like shutdown application?","Confirm message")==true){

f is my JFrame. whatever user choose yes or no, window still close, please help me
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khacduystAuthor Commented:
showQuesionDialog() function return true if yes and false for another option
set the default close operation of your fema eto do nothing


do this when you create frame

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khacduystAuthor Commented:
thanks for very quick reply : )
no worries :)
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