UICollectionViewDragDelegate_Extensions Class
Definition
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.
Extension methods to the IUICollectionViewDragDelegate interface to support all the methods from the UICollectionViewDragDelegate protocol.
public static class UICollectionViewDragDelegate_Extensionstype UICollectionViewDragDelegate_Extensions = class- Inheritance
-
UICollectionViewDragDelegate_Extensions
Remarks
The extension methods for IUICollectionViewDragDelegate interface allow developers to treat instances of the interface as having all the optional methods of the original UICollectionViewDragDelegate protocol. Since the interface only contains the required members, these extension methods allow developers to call the optional members of the protocol.
Methods
| Name | Description |
|---|---|
| DragSessionAllowsMoveOperation(IUICollectionViewDragDelegate, UICollectionView, IUIDragSession) | |
| DragSessionDidEnd(IUICollectionViewDragDelegate, UICollectionView, IUIDragSession) |
Method that is called when the user cancels or completes the drag session. |
| DragSessionIsRestrictedToDraggingApplication(IUICollectionViewDragDelegate, UICollectionView, IUIDragSession) | |
| DragSessionWillBegin(IUICollectionViewDragDelegate, UICollectionView, IUIDragSession) |
Method that is called just before a drag session begins. |
| GetDragPreviewParameters(IUICollectionViewDragDelegate, UICollectionView, NSIndexPath) |
Gets the preview parameters for the item at the specified index path. |
| GetItemsForAddingToDragSession(IUICollectionViewDragDelegate, UICollectionView, IUIDragSession, NSIndexPath, CGPoint) |
Adds the items at the index path to the drag session. |