pyqt练习x3。1

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# -*- coding: cp936 -*-

import sys

from PyQt4 import QtGui

class MessageBox(QtGui.QWidget):

    def __init__(self,parent=None):

        QtGui.QWidget.__init__(self,parent)

        self.setGeometry(300,300,250,150)

        self.setWindowTitle(u‘你想关闭？‘)

    def closeEvent(self,event):

        reply=QtGui.QMessageBox.question(self,‘Message‘,

                                         u‘你想关闭?‘,QtGui.QMessageBox.Yes,

                                         QtGui.QMessageBox.No)

        if reply==QtGui.QMessageBox.Yes:

            event.accept()

        else:

            event.ignore()

app=QtGui.QApplication(sys.argv)

qb=MessageBox()

qb.show()

sys.exit(app.exec_())

 如图:

pyqt练习x3。1

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原文地址：http://www.cnblogs.com/mhxy13867806343/p/4156329.html