title: Creating a custon slot for a QMenu
body: <p>I'm new in Qt World)<br>
  I created a new Qt Application in MSVC 2008<br>
  Using Qt Creator added controls I need and one of them is QMenuBar<br>
  As I understend the equivalent of CallBack(C#) is Slot in Qt.<br>
  I culdn't find any information how to create a custom Slot for QMenu using Qt Creator.</p>