previewControllerWillDismiss(_:)
Tells the delegate that the preview is about to close.
Declaration
optional func previewControllerWillDismiss(_ controller: QLPreviewController)Parameters
- controller:
The Qlpreviewcontroller that’s about to close.
Tells the delegate that the preview is about to close.
optional func previewControllerWillDismiss(_ controller: QLPreviewController)The Qlpreviewcontroller that’s about to close.