IUICollectionViewDragDelegate Interface

Definition

Namespace:: UIKit

Assembly:: Microsoft.iOS.dll

Assembly:: Microsoft.MacCatalyst.dll

Important

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Interface for a drag operation that started from a collection view.

[Foundation.Protocol(Name="UICollectionViewDragDelegate", WrapperType=typeof(UIKit.UICollectionViewDragDelegateWrapper))]
[Foundation.ProtocolMember(IsProperty=false, IsRequired=true, IsStatic=false, Name="GetItemsForBeginningDragSession", ParameterByRef=new System.Boolean[] { false, false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.IUIDragSession), typeof(Foundation.NSIndexPath) }, ReturnType=typeof(UIKit.UIDragItem[]), Selector="collectionView:itemsForBeginningDragSession:atIndexPath:")]
[Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="GetItemsForAddingToDragSession", ParameterByRef=new System.Boolean[] { false, false, false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.IUIDragSession), typeof(Foundation.NSIndexPath), typeof(CoreGraphics.CGPoint) }, ReturnType=typeof(UIKit.UIDragItem[]), Selector="collectionView:itemsForAddingToDragSession:atIndexPath:point:")]
[Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="GetDragPreviewParameters", ParameterByRef=new System.Boolean[] { false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(Foundation.NSIndexPath) }, ReturnType=typeof(UIKit.UIDragPreviewParameters), Selector="collectionView:dragPreviewParametersForItemAtIndexPath:")]
[Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="DragSessionWillBegin", ParameterByRef=new System.Boolean[] { false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.IUIDragSession) }, Selector="collectionView:dragSessionWillBegin:")]
[Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="DragSessionDidEnd", ParameterByRef=new System.Boolean[] { false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.IUIDragSession) }, Selector="collectionView:dragSessionDidEnd:")]
[Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="DragSessionAllowsMoveOperation", ParameterByRef=new System.Boolean[] { false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.IUIDragSession) }, ReturnType=typeof(System.Boolean), Selector="collectionView:dragSessionAllowsMoveOperation:")]
[Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="DragSessionIsRestrictedToDraggingApplication", ParameterByRef=new System.Boolean[] { false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.IUIDragSession) }, ReturnType=typeof(System.Boolean), Selector="collectionView:dragSessionIsRestrictedToDraggingApplication:")]
public interface IUICollectionViewDragDelegate : IDisposable, ObjCRuntime.INativeObject

[<Foundation.Protocol(Name="UICollectionViewDragDelegate", WrapperType=typeof(UIKit.UICollectionViewDragDelegateWrapper))>]
[<Foundation.ProtocolMember(IsProperty=false, IsRequired=true, IsStatic=false, Name="GetItemsForBeginningDragSession", ParameterByRef=new System.Boolean[] { false, false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.IUIDragSession), typeof(Foundation.NSIndexPath) }, ReturnType=typeof(UIKit.UIDragItem[]), Selector="collectionView:itemsForBeginningDragSession:atIndexPath:")>]
[<Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="GetItemsForAddingToDragSession", ParameterByRef=new System.Boolean[] { false, false, false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.IUIDragSession), typeof(Foundation.NSIndexPath), typeof(CoreGraphics.CGPoint) }, ReturnType=typeof(UIKit.UIDragItem[]), Selector="collectionView:itemsForAddingToDragSession:atIndexPath:point:")>]
[<Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="GetDragPreviewParameters", ParameterByRef=new System.Boolean[] { false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(Foundation.NSIndexPath) }, ReturnType=typeof(UIKit.UIDragPreviewParameters), Selector="collectionView:dragPreviewParametersForItemAtIndexPath:")>]
[<Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="DragSessionWillBegin", ParameterByRef=new System.Boolean[] { false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.IUIDragSession) }, Selector="collectionView:dragSessionWillBegin:")>]
[<Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="DragSessionDidEnd", ParameterByRef=new System.Boolean[] { false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.IUIDragSession) }, Selector="collectionView:dragSessionDidEnd:")>]
[<Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="DragSessionAllowsMoveOperation", ParameterByRef=new System.Boolean[] { false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.IUIDragSession) }, ReturnType=typeof(System.Boolean), Selector="collectionView:dragSessionAllowsMoveOperation:")>]
[<Foundation.ProtocolMember(IsProperty=false, IsRequired=false, IsStatic=false, Name="DragSessionIsRestrictedToDraggingApplication", ParameterByRef=new System.Boolean[] { false, false }, ParameterType=new System.Type[] { typeof(UIKit.UICollectionView), typeof(UIKit.IUIDragSession) }, ReturnType=typeof(System.Boolean), Selector="collectionView:dragSessionIsRestrictedToDraggingApplication:")>]
type IUICollectionViewDragDelegate = interface
    interface INativeObject
    interface IDisposable

Derived: UIKit.UICollectionViewDragDelegate

Attributes: ProtocolAttribute ProtocolMemberAttribute

Implements: INativeObject IDisposable

Properties

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

Methods

Name	Description
DragSessionAllowsMoveOperation(UICollectionView, IUIDragSession)
DragSessionDidEnd(UICollectionView, IUIDragSession)	Method that is called when the user cancels or completes the drag session.
DragSessionIsRestrictedToDraggingApplication(UICollectionView, IUIDragSession)
DragSessionWillBegin(UICollectionView, IUIDragSession)	Method that is called just before a drag session begins.
GetDragPreviewParameters(UICollectionView, NSIndexPath)	Gets the preview parameters for the item at the specified index path.
GetItemsForAddingToDragSession(UICollectionView, IUIDragSession, NSIndexPath, CGPoint)	Adds the items at the index path to the drag session.
GetItemsForBeginningDragSession(UICollectionView, IUIDragSession, NSIndexPath)	Returns the items that were used to begin the drag operation, if present.

Extension Methods

Name	Description
GetHandle(INativeObject)
GetNonNullHandle(INativeObject, String)
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.

Applies to