UICollectionViewDelegate.DidUpdateFocus Method

Definition

Namespace:: UIKit

Assembly:: Microsoft.iOS.dll

Assembly:: Microsoft.MacCatalyst.dll

Assembly:: Microsoft.tvOS.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Indicates that the focus changed as detailed in the context.

[Foundation.Export("collectionView:didUpdateFocusInContext:withAnimationCoordinator:")]
[ObjCRuntime.BindingImpl(ObjCRuntime.BindingImplOptions.GeneratedCode | ObjCRuntime.BindingImplOptions.Optimizable)]
public virtual void DidUpdateFocus(UIKit.UICollectionView collectionView, UIKit.UICollectionViewFocusUpdateContext context, UIKit.UIFocusAnimationCoordinator coordinator);

[<Foundation.Export("collectionView:didUpdateFocusInContext:withAnimationCoordinator:")>]
[<ObjCRuntime.BindingImpl(ObjCRuntime.BindingImplOptions.GeneratedCode | ObjCRuntime.BindingImplOptions.Optimizable)>]
abstract member DidUpdateFocus : UIKit.UICollectionView * UIKit.UICollectionViewFocusUpdateContext * UIKit.UIFocusAnimationCoordinator -> unit
override this.DidUpdateFocus : UIKit.UICollectionView * UIKit.UICollectionViewFocusUpdateContext * UIKit.UIFocusAnimationCoordinator -> unit

Parameters

collectionView: UICollectionView

The collection view that originated the request.

context: UICollectionViewFocusUpdateContext

Metadata for the focus change.

coordinator: UIFocusAnimationCoordinator

The UIFocusAnimationCoordinator coordinating the focus-change animations.

Implements

DidUpdateFocus(UICollectionView, UICollectionViewFocusUpdateContext, UIFocusAnimationCoordinator)

Attributes: ExportAttribute BindingImplAttribute

Remarks

The values of PreviouslyFocusedIndexPath and NextFocusedIndexPath may be null if focus was previously not within, or just departed, the collectionView.

Applies to