IUICollectionViewDelegateFlowLayout Interface

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.

This interface represents the Objective-C protocol UICollectionViewDelegateFlowLayout.

[Foundation.Protocol(Name="UICollectionViewDelegateFlowLayout", WrapperType=typeof(UIKit.UICollectionViewDelegateFlowLayoutWrapper))]
[Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="GetSizeForItem", ParameterByRef=new System.Boolean[] { false, false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.UICollectionViewLayout), typeof(Foundation.NSIndexPath) }, ReturnType=typeof(CoreGraphics.CGSize), Selector="collectionView:layout:sizeForItemAtIndexPath:")]
[Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="GetInsetForSection", ParameterByRef=new System.Boolean[] { false, false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.UICollectionViewLayout), typeof(System.IntPtr) }, ReturnType=typeof(UIKit.UIEdgeInsets), Selector="collectionView:layout:insetForSectionAtIndex:")]
[Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="GetMinimumLineSpacingForSection", ParameterByRef=new System.Boolean[] { false, false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.UICollectionViewLayout), typeof(System.IntPtr) }, ReturnType=typeof(System.Runtime.InteropServices.NFloat), Selector="collectionView:layout:minimumLineSpacingForSectionAtIndex:")]
[Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="GetMinimumInteritemSpacingForSection", ParameterByRef=new System.Boolean[] { false, false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.UICollectionViewLayout), typeof(System.IntPtr) }, ReturnType=typeof(System.Runtime.InteropServices.NFloat), Selector="collectionView:layout:minimumInteritemSpacingForSectionAtIndex:")]
[Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="GetReferenceSizeForHeader", ParameterByRef=new System.Boolean[] { false, false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.UICollectionViewLayout), typeof(System.IntPtr) }, ReturnType=typeof(CoreGraphics.CGSize), Selector="collectionView:layout:referenceSizeForHeaderInSection:")]
[Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="GetReferenceSizeForFooter", ParameterByRef=new System.Boolean[] { false, false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.UICollectionViewLayout), typeof(System.IntPtr) }, ReturnType=typeof(CoreGraphics.CGSize), Selector="collectionView:layout:referenceSizeForFooterInSection:")]
public interface IUICollectionViewDelegateFlowLayout : IDisposable, UIKit.IUICollectionViewDelegate

[<Foundation.Protocol(Name="UICollectionViewDelegateFlowLayout", WrapperType=typeof(UIKit.UICollectionViewDelegateFlowLayoutWrapper))>]
[<Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="GetSizeForItem", ParameterByRef=new System.Boolean[] { false, false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.UICollectionViewLayout), typeof(Foundation.NSIndexPath) }, ReturnType=typeof(CoreGraphics.CGSize), Selector="collectionView:layout:sizeForItemAtIndexPath:")>]
[<Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="GetInsetForSection", ParameterByRef=new System.Boolean[] { false, false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.UICollectionViewLayout), typeof(System.IntPtr) }, ReturnType=typeof(UIKit.UIEdgeInsets), Selector="collectionView:layout:insetForSectionAtIndex:")>]
[<Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="GetMinimumLineSpacingForSection", ParameterByRef=new System.Boolean[] { false, false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.UICollectionViewLayout), typeof(System.IntPtr) }, ReturnType=typeof(System.Runtime.InteropServices.NFloat), Selector="collectionView:layout:minimumLineSpacingForSectionAtIndex:")>]
[<Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="GetMinimumInteritemSpacingForSection", ParameterByRef=new System.Boolean[] { false, false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.UICollectionViewLayout), typeof(System.IntPtr) }, ReturnType=typeof(System.Runtime.InteropServices.NFloat), Selector="collectionView:layout:minimumInteritemSpacingForSectionAtIndex:")>]
[<Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="GetReferenceSizeForHeader", ParameterByRef=new System.Boolean[] { false, false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.UICollectionViewLayout), typeof(System.IntPtr) }, ReturnType=typeof(CoreGraphics.CGSize), Selector="collectionView:layout:referenceSizeForHeaderInSection:")>]
[<Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="GetReferenceSizeForFooter", ParameterByRef=new System.Boolean[] { false, false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.UICollectionViewLayout), typeof(System.IntPtr) }, ReturnType=typeof(CoreGraphics.CGSize), Selector="collectionView:layout:referenceSizeForFooterInSection:")>]
type IUICollectionViewDelegateFlowLayout = interface
    interface INativeObject
    interface IDisposable
    interface IUICollectionViewDelegate
    interface IUIScrollViewDelegate

Derived: UIKit.UICollectionViewDelegateFlowLayout

Attributes: ProtocolAttribute ProtocolMemberAttribute

Implements: INativeObject IDisposable IUICollectionViewDelegate IUIScrollViewDelegate

Remarks

A class that implements this interface (and subclasses NSObject) will be exported to Objective-C as implementing the Objective-C protocol this interface represents.

A class may also implement members from this interface to implement members from the protocol.

Properties

Name	Description
Handle	Handle (pointer) to the unmanaged object representation. (Inherited from INativeObject)

Methods

Name	Description
CanEditItem(UICollectionView, NSIndexPath)	(Inherited from IUICollectionViewDelegate)
CanFocusItem(UICollectionView, NSIndexPath)	Whether the item at `indexPath` can be focused. (Inherited from IUICollectionViewDelegate)
CanPerformAction(UICollectionView, Selector, NSIndexPath, NSObject)	Whether the cell at the specified `indexPath` supports the specified action. (Inherited from IUICollectionViewDelegate)
CanPerformPrimaryActionForItem(UICollectionView, NSIndexPath)	(Inherited from IUICollectionViewDelegate)
CellDisplayingEnded(UICollectionView, UICollectionViewCell, NSIndexPath)	Indicates that the cell at the specified indexPath has been removed. (Inherited from IUICollectionViewDelegate)
DecelerationEnded(UIScrollView)	Indicates that deceleration relating to a scroll event has ended. (Inherited from IUIScrollViewDelegate)
DecelerationStarted(UIScrollView)	Indicates that deceleration of a scrolling event has begun. (Inherited from IUIScrollViewDelegate)
DidBeginMultipleSelectionInteraction(UICollectionView, NSIndexPath)	(Inherited from IUICollectionViewDelegate)
DidChangeAdjustedContentInset(UIScrollView)	Method that is called when the inset values change. (Inherited from IUIScrollViewDelegate)
DidEndMultipleSelectionInteraction(UICollectionView)	(Inherited from IUICollectionViewDelegate)
DidUpdateFocus(UICollectionView, UICollectionViewFocusUpdateContext, UIFocusAnimationCoordinator)	Indicates that the focus changed as detailed in the `context`. (Inherited from IUICollectionViewDelegate)
DidZoom(UIScrollView)	Indicates that the specified scrollView has zoomed. (Inherited from IUIScrollViewDelegate)
DraggingEnded(UIScrollView, Boolean)	Indicates that dragging has completed. (Inherited from IUIScrollViewDelegate)
DraggingStarted(UIScrollView)	Indicates that dragging has begun. (Inherited from IUIScrollViewDelegate)
GetContextMenuConfiguration(UICollectionView, NSIndexPath, CGPoint)	(Inherited from IUICollectionViewDelegate)
GetContextMenuConfiguration(UICollectionView, NSIndexPath[], CGPoint)	(Inherited from IUICollectionViewDelegate)
GetContextMenuConfigurationDismissalPreview(UICollectionView, UIContextMenuConfiguration, NSIndexPath)	(Inherited from IUICollectionViewDelegate)
GetContextMenuConfigurationHighlightPreview(UICollectionView, UIContextMenuConfiguration, NSIndexPath)	(Inherited from IUICollectionViewDelegate)
GetIndexPathForPreferredFocusedView(UICollectionView)	When overridden, allows the developer to specify the item that should initially receive focus. (Inherited from IUICollectionViewDelegate)
GetInsetForSection(UICollectionView, UICollectionViewLayout, IntPtr)	The margins to apply to content in the specified section.
GetMinimumInteritemSpacingForSection(UICollectionView, UICollectionViewLayout, IntPtr)	The spacing between items in the rows or columns of a section.
GetMinimumLineSpacingForSection(UICollectionView, UICollectionViewLayout, IntPtr)	The spacing between rows or columns of a section.
GetPreviewForDismissingContextMenu(UICollectionView, UIContextMenuConfiguration)	(Inherited from IUICollectionViewDelegate)
GetPreviewForHighlightingContextMenu(UICollectionView, UIContextMenuConfiguration)	(Inherited from IUICollectionViewDelegate)
GetReferenceSizeForFooter(UICollectionView, UICollectionViewLayout, IntPtr)	The size of the footer view for the specified section.
GetReferenceSizeForHeader(UICollectionView, UICollectionViewLayout, IntPtr)	The size of the header view for the specified section.
GetSceneActivationConfigurationForItem(UICollectionView, NSIndexPath, CGPoint)	(Inherited from IUICollectionViewDelegate)
GetSelectionFollowsFocusForItem(UICollectionView, NSIndexPath)	(Inherited from IUICollectionViewDelegate)
GetSizeForItem(UICollectionView, UICollectionViewLayout, NSIndexPath)	The size of the specified item's cell.
GetTargetContentOffset(UICollectionView, CGPoint)	When overridden, allows the developer to modify the content offset for layout and animation changes. (Inherited from IUICollectionViewDelegate)
GetTargetIndexPathForMove(UICollectionView, NSIndexPath, NSIndexPath)	When overridden, allows the developer to modify the final ___location of a moved item. (For instance, to disallow a move to a particular `proposedIndexPath`.) (Inherited from IUICollectionViewDelegate)
GetTargetIndexPathForMoveOfItemFromOriginalIndexPath(UICollectionView, NSIndexPath, NSIndexPath, NSIndexPath)	(Inherited from IUICollectionViewDelegate)
ItemDeselected(UICollectionView, NSIndexPath)	Indicates that the cell at the specified indexPath has been deselected. (Inherited from IUICollectionViewDelegate)
ItemHighlighted(UICollectionView, NSIndexPath)	Indicates that the cell at the specified indexPath has been highlighted. (Inherited from IUICollectionViewDelegate)
ItemSelected(UICollectionView, NSIndexPath)	Indicates that the cell at the specified indexPath has been selected. (Inherited from IUICollectionViewDelegate)
ItemUnhighlighted(UICollectionView, NSIndexPath)	Indicates that the cell at the specified indexPath has been unhighlighted. (Inherited from IUICollectionViewDelegate)
PerformAction(UICollectionView, Selector, NSIndexPath, NSObject)	Whether the cell at the specified indexPath supports the specified Copy or Paste action. (Inherited from IUICollectionViewDelegate)
PerformPrimaryActionForItem(UICollectionView, NSIndexPath)	(Inherited from IUICollectionViewDelegate)
ScrollAnimationEnded(UIScrollView)	Indicates that all animations relating to scrolling have completed. (Inherited from IUIScrollViewDelegate)
Scrolled(UIScrollView)	Indicates that the specified scrollView has scrolled. (Inherited from IUIScrollViewDelegate)
ScrolledToTop(UIScrollView)	Indicates that the specified scrollView's scrolling has ended at the top. (Inherited from IUIScrollViewDelegate)
ShouldBeginMultipleSelectionInteraction(UICollectionView, NSIndexPath)	(Inherited from IUICollectionViewDelegate)
ShouldDeselectItem(UICollectionView, NSIndexPath)	Whether the cell at the specified indexPath should allow itself to be deselected. (Inherited from IUICollectionViewDelegate)
ShouldHighlightItem(UICollectionView, NSIndexPath)	Whether the cell at the specified indexPath should allow itself to be highlighted. (Inherited from IUICollectionViewDelegate)
ShouldScrollToTop(UIScrollView)	Whether a scroll to the beginning of the scrollView should be permitted. (Inherited from IUIScrollViewDelegate)
ShouldSelectItem(UICollectionView, NSIndexPath)	Whether the cell at the specified indexPath allows itself to be selected. (Inherited from IUICollectionViewDelegate)
ShouldShowMenu(UICollectionView, NSIndexPath)	Whether the cell at the specified indexPath should show an Action menu. (Inherited from IUICollectionViewDelegate)
ShouldSpringLoadItem(UICollectionView, NSIndexPath, IUISpringLoadedInteractionContext)	Method that is called to indicate whether the identified item should springload in the specified context. (Inherited from IUICollectionViewDelegate)
ShouldUpdateFocus(UICollectionView, UICollectionViewFocusUpdateContext)	When overridden, allows the developer to prevent the focus change specified in `context`. (Inherited from IUICollectionViewDelegate)
SupplementaryViewDisplayingEnded(UICollectionView, UICollectionReusableView, NSString, NSIndexPath)	Indicates that the supplementary view at the specified indexPath has been removed. (Inherited from IUICollectionViewDelegate)
TransitionLayout(UICollectionView, UICollectionViewLayout, UICollectionViewLayout)	The UICollectionViewTransitionLayout to be used when moving from the specified fromLayout to the toLayout. (Inherited from IUICollectionViewDelegate)
ViewForZoomingInScrollView(UIScrollView)	The UIView to scale when zooming is requested. (Inherited from IUIScrollViewDelegate)
WillDisplayCell(UICollectionView, UICollectionViewCell, NSIndexPath)	The `cell` is about to be displayed. (Inherited from IUICollectionViewDelegate)
WillDisplayContextMenu(UICollectionView, UIContextMenuConfiguration, IUIContextMenuInteractionAnimating)	(Inherited from IUICollectionViewDelegate)
WillDisplaySupplementaryView(UICollectionView, UICollectionReusableView, String, NSIndexPath)	The supplementary `view` is about to be displayed. (Inherited from IUICollectionViewDelegate)
WillEndContextMenuInteraction(UICollectionView, UIContextMenuConfiguration, IUIContextMenuInteractionAnimating)	(Inherited from IUICollectionViewDelegate)
WillEndDragging(UIScrollView, CGPoint, CGPoint)	Indicates that dragging is about to end. (Inherited from IUIScrollViewDelegate)
WillPerformPreviewAction(UICollectionView, UIContextMenuConfiguration, IUIContextMenuInteractionCommitAnimating)	(Inherited from IUICollectionViewDelegate)
ZoomingEnded(UIScrollView, UIView, NFloat)	Indicates that zooming has completed. (Inherited from IUIScrollViewDelegate)
ZoomingStarted(UIScrollView, UIView)	Indicates that zooming has begun. (Inherited from IUIScrollViewDelegate)

Extension Methods

Name	Description
GetHandle(INativeObject)
GetNonNullHandle(INativeObject, String)
CanEditItem(IUICollectionViewDelegate, UICollectionView, NSIndexPath)
CanFocusItem(IUICollectionViewDelegate, UICollectionView, NSIndexPath)	Whether the item at `indexPath` can be focused.
CanPerformAction(IUICollectionViewDelegate, UICollectionView, Selector, NSIndexPath, NSObject)	Whether the cell at the specified `indexPath` supports the specified action.
CanPerformPrimaryActionForItem(IUICollectionViewDelegate, UICollectionView, NSIndexPath)
CellDisplayingEnded(IUICollectionViewDelegate, UICollectionView, UICollectionViewCell, NSIndexPath)	Indicates that the cell at the specified indexPath has been removed.
DidBeginMultipleSelectionInteraction(IUICollectionViewDelegate, UICollectionView, NSIndexPath)
DidEndMultipleSelectionInteraction(IUICollectionViewDelegate, UICollectionView)
DidUpdateFocus(IUICollectionViewDelegate, UICollectionView, UICollectionViewFocusUpdateContext, UIFocusAnimationCoordinator)	Indicates that the focus changed as detailed in the `context`.
GetContextMenuConfiguration(IUICollectionViewDelegate, UICollectionView, NSIndexPath, CGPoint)
GetContextMenuConfiguration(IUICollectionViewDelegate, UICollectionView, NSIndexPath[], CGPoint)
GetContextMenuConfigurationDismissalPreview(IUICollectionViewDelegate, UICollectionView, UIContextMenuConfiguration, NSIndexPath)
GetContextMenuConfigurationHighlightPreview(IUICollectionViewDelegate, UICollectionView, UIContextMenuConfiguration, NSIndexPath)
GetIndexPathForPreferredFocusedView(IUICollectionViewDelegate, UICollectionView)	When overridden, allows the developer to specify the item that should initially receive focus.
GetPreviewForDismissingContextMenu(IUICollectionViewDelegate, UICollectionView, UIContextMenuConfiguration)
GetPreviewForHighlightingContextMenu(IUICollectionViewDelegate, UICollectionView, UIContextMenuConfiguration)
GetSceneActivationConfigurationForItem(IUICollectionViewDelegate, UICollectionView, NSIndexPath, CGPoint)
GetSelectionFollowsFocusForItem(IUICollectionViewDelegate, UICollectionView, NSIndexPath)
GetTargetContentOffset(IUICollectionViewDelegate, UICollectionView, CGPoint)	When overridden, allows the developer to modify the content offset for layout and animation changes.
GetTargetIndexPathForMove(IUICollectionViewDelegate, UICollectionView, NSIndexPath, NSIndexPath)	When overridden, allows the developer to modify the final ___location of a moved item. (For instance, to disallow a move to a particular `proposedIndexPath`.)
GetTargetIndexPathForMoveOfItemFromOriginalIndexPath(IUICollectionViewDelegate, UICollectionView, NSIndexPath, NSIndexPath, NSIndexPath)
ItemDeselected(IUICollectionViewDelegate, UICollectionView, NSIndexPath)	Indicates that the cell at the specified indexPath has been deselected.
ItemHighlighted(IUICollectionViewDelegate, UICollectionView, NSIndexPath)	Indicates that the cell at the specified indexPath has been highlighted.
ItemSelected(IUICollectionViewDelegate, UICollectionView, NSIndexPath)	Indicates that the cell at the specified indexPath has been selected.
ItemUnhighlighted(IUICollectionViewDelegate, UICollectionView, NSIndexPath)	Indicates that the cell at the specified indexPath has been unhighlighted.
PerformAction(IUICollectionViewDelegate, UICollectionView, Selector, NSIndexPath, NSObject)	Whether the cell at the specified indexPath supports the specified Copy or Paste action.
PerformPrimaryActionForItem(IUICollectionViewDelegate, UICollectionView, NSIndexPath)
ShouldBeginMultipleSelectionInteraction(IUICollectionViewDelegate, UICollectionView, NSIndexPath)
ShouldDeselectItem(IUICollectionViewDelegate, UICollectionView, NSIndexPath)	Whether the cell at the specified indexPath should allow itself to be deselected.
ShouldHighlightItem(IUICollectionViewDelegate, UICollectionView, NSIndexPath)	Whether the cell at the specified indexPath should allow itself to be highlighted.
ShouldSelectItem(IUICollectionViewDelegate, UICollectionView, NSIndexPath)	Whether the cell at the specified indexPath allows itself to be selected.
ShouldShowMenu(IUICollectionViewDelegate, UICollectionView, NSIndexPath)	Whether the cell at the specified indexPath should show an Action menu.
ShouldSpringLoadItem(IUICollectionViewDelegate, UICollectionView, NSIndexPath, IUISpringLoadedInteractionContext)	Method that is called to indicate whether the identified item should springload in the specified context.
ShouldUpdateFocus(IUICollectionViewDelegate, UICollectionView, UICollectionViewFocusUpdateContext)	When overridden, allows the developer to prevent the focus change specified in `context`.
SupplementaryViewDisplayingEnded(IUICollectionViewDelegate, UICollectionView, UICollectionReusableView, NSString, NSIndexPath)	Indicates that the supplementary view at the specified indexPath has been removed.
TransitionLayout(IUICollectionViewDelegate, UICollectionView, UICollectionViewLayout, UICollectionViewLayout)	The UICollectionViewTransitionLayout to be used when moving from the specified fromLayout to the toLayout.
WillDisplayCell(IUICollectionViewDelegate, UICollectionView, UICollectionViewCell, NSIndexPath)	The `cell` is about to be displayed.
WillDisplayContextMenu(IUICollectionViewDelegate, UICollectionView, UIContextMenuConfiguration, IUIContextMenuInteractionAnimating)
WillDisplaySupplementaryView(IUICollectionViewDelegate, UICollectionView, UICollectionReusableView, String, NSIndexPath)	The supplementary `view` is about to be displayed.
WillEndContextMenuInteraction(IUICollectionViewDelegate, UICollectionView, UIContextMenuConfiguration, IUIContextMenuInteractionAnimating)
WillPerformPreviewAction(IUICollectionViewDelegate, UICollectionView, UIContextMenuConfiguration, IUIContextMenuInteractionCommitAnimating)
GetInsetForSection(IUICollectionViewDelegateFlowLayout, UICollectionView, UICollectionViewLayout, IntPtr)	The margins to apply to content in the specified section.
GetMinimumInteritemSpacingForSection(IUICollectionViewDelegateFlowLayout, UICollectionView, UICollectionViewLayout, IntPtr)	The spacing between items in the rows or columns of a section.
GetMinimumLineSpacingForSection(IUICollectionViewDelegateFlowLayout, UICollectionView, UICollectionViewLayout, IntPtr)	The spacing between rows or columns of a section.
GetReferenceSizeForFooter(IUICollectionViewDelegateFlowLayout, UICollectionView, UICollectionViewLayout, IntPtr)	The size of the footer view for the specified section.
GetReferenceSizeForHeader(IUICollectionViewDelegateFlowLayout, UICollectionView, UICollectionViewLayout, IntPtr)	The size of the header view for the specified section.
GetSizeForItem(IUICollectionViewDelegateFlowLayout, UICollectionView, UICollectionViewLayout, NSIndexPath)	The size of the specified item's cell.
DecelerationEnded(IUIScrollViewDelegate, UIScrollView)	Indicates that deceleration relating to a scroll event has ended.
DecelerationStarted(IUIScrollViewDelegate, UIScrollView)	Indicates that deceleration of a scrolling event has begun.
DidChangeAdjustedContentInset(IUIScrollViewDelegate, UIScrollView)	Method that is called when the inset values change.
DidZoom(IUIScrollViewDelegate, UIScrollView)	Indicates that the specified scrollView has zoomed.
DraggingEnded(IUIScrollViewDelegate, UIScrollView, Boolean)	Indicates that dragging has completed.
DraggingStarted(IUIScrollViewDelegate, UIScrollView)	Indicates that dragging has begun.
ScrollAnimationEnded(IUIScrollViewDelegate, UIScrollView)	Indicates that all animations relating to scrolling have completed.
Scrolled(IUIScrollViewDelegate, UIScrollView)	Indicates that the specified scrollView has scrolled.
ScrolledToTop(IUIScrollViewDelegate, UIScrollView)	Indicates that the specified scrollView's scrolling has ended at the top.
ShouldScrollToTop(IUIScrollViewDelegate, UIScrollView)	Whether a scroll to the beginning of the scrollView should be permitted.
ViewForZoomingInScrollView(IUIScrollViewDelegate, UIScrollView)	The UIView to scale when zooming is requested.
WillEndDragging(IUIScrollViewDelegate, UIScrollView, CGPoint, CGPoint)	Indicates that dragging is about to end.
ZoomingEnded(IUIScrollViewDelegate, UIScrollView, UIView, NFloat)	Indicates that zooming has completed.
ZoomingStarted(IUIScrollViewDelegate, UIScrollView, UIView)	Indicates that zooming has begun.

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