ios - What are Anchor and Passthrough used for in popover segues? -


in xcode, popover segue has 2 connection fields named anchor , passthrough. used for? image

these properties of uipopovercontroller, not segue. thats why if @ documentation uistoryboardpopoversegue, won't find these 2 properties.

the anchor telling uipopovercontroller point arrow.

the passthrough array of views user can interact while uipopovercontroller displayed.

the documentation here: https://developer.apple.com/documentation/uikit/uipopovercontroller

and section going on passthrough views here: https://developer.apple.com/documentation/uikit/uipopovercontroller/1624654-passthroughviews


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