displaying message in PyQt4
<p>I am developing an application using PyQt4 .</p>

<p>Currently I am in need of a message box ie if I am on a current screen and user presses a function the callback function should display message whether by a message box or any other way you can suggest ......However when the user cancels it the flow should go to the current screen.</p>

<p>Please help ....</p>

<p>Thanks a lot.. </p>
