Button outline disappears randomly on Xcode

Really really simply question.


In my own computer when I create a button with Xcode, I can see the blue outline.

But, in my office's computer I do the same thing I can't see the blue outline (and can't figure out how much bigger the button is).

Reference Image URL: https://i.stack.imgur.com/0Fvtx.jpg



What is happening?


I've recorded a video and uploaded to YouTube in order to be more clear — https://youtu.be/Bl_aOXxtIeA


PS: I've been trying to solve this thing on last 3 days, and no luck, even contacting a friend which is an iOS developer.

On my iMac, with XCode 7.2, I don't have the outline either.


Have you the same version of XCode on both computers ? Is only the most recent showing he outline ?

Looks like 'Show bounds rectangle' is enabled in Xcode's Editor > Canvas menu on the computer displaying the blue box.

There's a lot of interesting options in this canvas menu.


In particular, when fighting with auto layout constraints, "Shows involved views for selected constraints" is very helpful.

Button outline disappears randomly on Xcode
 
 
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