pyqt: confirm window

We show a message box with two buttons. Yes and No. The first string appears on the titlebar. The second string is the message text displayed by the dialog. The third argument specifies the combination of buttons appearing in the dialog. The last parameter is the default button. It is the button, which has initially the keyboard focus. The return value is stored in the reply variable.

Here we test the return value. If we clicked Yes button, we accept the event which leads to the closure of the widget and to the termination of the application. Otherwise we ignore the close event.

转载自:http://zetcode.com/tutorials/pyqt4/firstprograms/

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