Documentation

Interface IHitTestService

The service supporting the hit-testing when selecting diagram items through a selection rectangle or a click-select action.

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

Syntax

public interface IHitTestService
Remarks

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

Properties

ItemUnderMouse

Gets the item under the mouse.

Declaration
IDiagramItem ItemUnderMouse { get; }
Property Value
IDiagramItem

ShapeUnderMouse

Gets the shape under mouse.

Declaration
IShape ShapeUnderMouse { get; }
Property Value
IShape

Methods

GetConnectionsUnderRect(Rect)

Gets the connections intersecting the specific rectangle.

Declaration
IEnumerable<IConnection> GetConnectionsUnderRect(Rect rect)
Parameters
System.Windows.Rect rect

Returns
System.Collections.Generic.IEnumerable<IConnection>

GetItemsNearPoint(Point, Double)

Gets the items near point.

Declaration
IEnumerable<IDiagramItem> GetItemsNearPoint(Point point, double delta)
Parameters
System.Windows.Point point

The point.
System.Double delta

The delta.
Returns
System.Collections.Generic.IEnumerable<IDiagramItem>

GetItemsUnderRect(Rect)

Gets the items under rectangle.

Declaration
IEnumerable<IDiagramItem> GetItemsUnderRect(Rect rect)
Parameters
System.Windows.Rect rect

The rectangle.
Returns
System.Collections.Generic.IEnumerable<IDiagramItem>

GetShapesNearPoint(Point, Double)

Gets the shapes near point within some delta distance.

Declaration
IEnumerable<IShape> GetShapesNearPoint(Point point, double delta)
Parameters
System.Windows.Point point

The point.
System.Double delta

The delta.
Returns
System.Collections.Generic.IEnumerable<IShape>

GetShapesUnderRect(Rect)

Gets the shapes under rectangle.

Declaration
IEnumerable<IShape> GetShapesUnderRect(Rect rect)
Parameters
System.Windows.Rect rect

The rectangle.
Returns
System.Collections.Generic.IEnumerable<IShape>

GetTopItemNearPoint(Point, Double)

Gets the topmost item under point.

Declaration
IDiagramItem GetTopItemNearPoint(Point point, double delta)
Parameters
System.Windows.Point point

The point.
System.Double delta

The delta.
Returns
IDiagramItem

GetTopShapesUnderPoint(Point)

Gets the shapes under point.

Declaration
IEnumerable<IShape> GetTopShapesUnderPoint(Point point)
Parameters
System.Windows.Point point

The point.
Returns
System.Collections.Generic.IEnumerable<IShape>

Extension Methods