PYQT5 message box

Import sysfrom pyqt5.qtwidgets import qapplication, Qwidget, Qmessageboxclass Example (qwidget):    def __init__ (self) :        super (). __init__ ()        Self.initui ()    def initui (self):        self.setgeometry (        +,-) Self.setwindowtitle (' message box ')        self.show ()    def closeevent (Self, event):        #关闭窗口触发以下事件        reply = Qmessagebox.question (Self, ' message box caption ', ' Are you sure you want to quit? ', Qmessagebox.yes | Qmessagebox.no, qmessagebox.no)        if reply = = Qmessagebox.yes:            event.accept ()        #接受关闭事件        Else:            Event.ignore ()        #忽略关闭事件if __name__ = = ' __main__ ':    app = Qapplication (SYS.ARGV)    ex = Example ()    Sys.exit ((App.exec_ ()))

Reprint please indicate the author and source: http://blog.csdn.net/u013511642 Wang Xiaotao _

PYQT5 message box