swift - What does "Constrain to margins" mean in Interface Builder in Xcode 6.0.1 -

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I understand the purpose of "location for the nearest neighbor" (in Xcode 6, more specifically in the interface builder), but What does "margin control" mean?

Is there a link between "Vacation to the nearest neighbor" along the side of a particular control button, and its factories check the checkbox labeled "Control margin" at the same time ?

What is the role of this feature in Autolayout?

Please find a screenshot with the checkbox and label I am surrounded in red:

</ P> <p> () </ p> <p> Thank you in advance for answering my three questions. </ P> </ div> <p > <Div class =

iOS 8 introduces a new property of UIViewview: layout margins . In essence: these 4 values ​​represent a margin of the view (a UIEdgeInsets ): its sub-views can now be positioned relative to these margins, or the old method relative to the side I One had written with the details, let me know that it is clear and if you have additional doubts.

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