title: How to add a drop down list of buttons in uinavigation bar in objective c iPhone
body: <p>I am very new to objective c and iPhone applications. I am creating a project in xcode to make an application for iPhone. I need to add a drop down list in the navigation bar of that application. I have added other buttons to it like back button, refresh button. But Now I require a drop down list of buttons/links to it. plz tell me how can I do this. </p>
  
  <p>Thanks in advance</p>