Interface IDraggingService

The service supporting the translation of diagram items.

Namespace: Telerik.Windows.Diagrams.Core
Assembly: Telerik.Windows.Diagrams.Core.dll

Syntax

public interface IDraggingService
Remarks

Note that this service can be customized and plugged into the ServiceLocator.

Properties

DraggingModels

Gets the currently dragging models if any.

Declaration
IEnumerable<IDiagramItem> DraggingModels { get; }
Property Value
System.Collections.Generic.IEnumerable<IDiagramItem>

The dragging models.

DragOverShape

Gets the currently drag over shape.

Declaration
IDragDropAware DragOverShape { get; }
Property Value
IDragDropAware

The drag over shape.

IsDragging

Determines whether there's a dragging operation in progress.

Declaration
bool IsDragging { get; }
Property Value
System.Boolean

Methods

CanDrag(Point)

Determines whether you can drag to the new point.

Declaration
bool CanDrag(Point newPoint)
Parameters
System.Windows.Point newPoint

The new point.
Returns
System.Boolean

CompleteDrag()

Completes the drag.

Declaration
void CompleteDrag()

CreateAsyncDragCommand(IUndoRedoService, IEnumerable<IDiagramItem>)

Creates the async drag command.

Declaration
CompositeAsyncStateCommand CreateAsyncDragCommand(IUndoRedoService undoRedoService, IEnumerable<IDiagramItem> items)
Parameters
IUndoRedoService undoRedoService

The undo redo service.
System.Collections.Generic.IEnumerable<IDiagramItem> items

The items affected.
Returns
CompositeAsyncStateCommand

Drag(Point)

Drags to the specified new point.

Declaration
void Drag(Point newPoint)
Parameters
System.Windows.Point newPoint

The new point.

InitializeDrag(Point)

Initializes the drag.

Declaration
void InitializeDrag(Point point)
Parameters
System.Windows.Point point

The drag start point.

StartDrag(IEnumerable<IDiagramItem>, Point)

Starts the drag.

Declaration
bool StartDrag(IEnumerable<IDiagramItem> models, Point currentPoint)
Parameters
System.Collections.Generic.IEnumerable<IDiagramItem> models

The models.
System.Windows.Point currentPoint

The current point.
Returns
System.Boolean

Events

CompleteDragging

Occurs on drag complete.

Declaration
event EventHandler<PositionChangedEventArgs> CompleteDragging
Event Type
System.EventHandler<PositionChangedEventArgs>

DragEnter

Occurs on drag enter.

Declaration
event EventHandler<DragItemsEventArgs> DragEnter
Event Type
System.EventHandler<DragItemsEventArgs>

Dragging

Occurs when dragging.

Declaration
event EventHandler<PositionChangedEventArgs> Dragging
Event Type
System.EventHandler<PositionChangedEventArgs>

DragLeave

Occurs on drag leave.

Declaration
event EventHandler<DragItemsEventArgs> DragLeave
Event Type
System.EventHandler<DragItemsEventArgs>

Drop

Occurs on drop.

Declaration
event EventHandler<DragItemsEventArgs> Drop
Event Type
System.EventHandler<DragItemsEventArgs>

StartDragging

Occurs on drag start.

Declaration
event EventHandler<CancelingPositionChangedEventArgs> StartDragging
Event Type
System.EventHandler<CancelingPositionChangedEventArgs>

Extension Methods