UICollectionViewPlaceholder

https://developer.apple.com/documentation/uikit/uicollectionviewplaceholder

"A placeholder for an item dragged or dropped on a collection view."

컬렉션 뷰에서 드래그 혹은 드롭되는 아이템에 대한 플레이스홀더입니다.

Declaration

@MainActor class UICollectionViewPlaceholder : NSObject

See Also

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Drag and Drop

Supporting Drag and Drop in Collection Views

컬렉션 뷰로부터 드래그를 시작하고 드롭을 처리합니다.

https://developer.apple.com/documentation/uikit/views_and_controls/collection_views/supporting_drag_and_drop_in_collection_views
https://velog.io/@panther222128/Supporting-Drag-and-Drop-in-Collection-Views

UICollectionViewDropPlaceholder

컬렉션 뷰에 드롭되는 아이템에 대한 플레이스홀더입니다.

https://developer.apple.com/documentation/uikit/uicollectionviewdropplaceholder
https://velog.io/@panther222128/UICollectionViewDropPlaceholder

UICollectionViewDropProposal

컬렉션 뷰에서 드롭 처리에 대한 제안된 해결책입니다.

https://developer.apple.com/documentation/uikit/uicollectionviewdropproposal
https://velog.io/@panther222128/UICollectionViewDropProposal

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