The screenshot below shows the QMessageBox object we use to display
information messages to the user.
- # image
+ \image addressbook-tutorial-part2-add-successful.png
\section2 The \c{cancel()} Function
The screenshot below is our expected graphical user interface. Notice that
it is getting closer to our final application.
+ \image addressbook-tutorial-part3-screenshot.png
+
Within our \c addContact() function, we have to disable the \gui Next and
\gui Previous buttons so that the user does not attempt to navigate while
adding a contact.