title: the associated property circle in the .m/.h file how to enter to the associated control in the xib
body: <p>I just want to display associated storyboard or xib's control through clicking filled circle on the left of property in the class .m or .h file.however,I click the circle ,the system recognize to add  a breakpoint in current line.It dose not work like that I want.what should I change some setting about xcode ?
  the picture description below：</p>
  
  <p><a href="https://i.stack.imgur.com/mHUab.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/mHUab.jpg" alt="enter image description here"></a></p>