UICollectionViewLayout.PrepareForCollectionViewUpdates(UICollectionViewUpdateItem[]) UICollectionViewLayout.PrepareForCollectionViewUpdates(UICollectionViewUpdateItem[]) Method

Definition

Notifies the layout object that the contents of the UICollectionView are about to change.

[Foundation.Export("prepareForCollectionViewUpdates:")]
public virtual void PrepareForCollectionViewUpdates (UIKit.UICollectionViewUpdateItem[] updateItems);
abstract member PrepareForCollectionViewUpdates : UIKit.UICollectionViewUpdateItem[] -> unit
override this.PrepareForCollectionViewUpdates : UIKit.UICollectionViewUpdateItem[] -> unit

Parameters

Applies to