Class HitTestService

Service handling the hit-testing of diagram elements.

Inheritance
System.Object
GraphServiceBase
HitTestService
Inherited Members
Namespace: Telerik.Windows.Diagrams.Core
Assembly: Telerik.Windows.Diagrams.Core.dll

Syntax

public class HitTestService : GraphServiceBase, IHitTestService

Constructors

HitTestService(IGraphInternal)

Initializes a new instance of the HitTestService class.

Declaration
public HitTestService(IGraphInternal graph)
Parameters
IGraphInternal graph

The graph.

Properties

ItemUnderMouse

Gets the item under the mouse.

Declaration
public IDiagramItem ItemUnderMouse { get; }
Property Value
IDiagramItem

Implements

ShapeUnderMouse

Gets the shape under mouse.

Declaration
public IShape ShapeUnderMouse { get; }
Property Value
IShape

Implements

Methods

GetConnectionsUnderRect(Rect)

Gets the connections intersecting the specific rectangle.

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

Returns
System.Collections.Generic.IEnumerable<IConnection>

Implements

GetItemsNearPoint(Point, Double)

Gets the items near point.

Declaration
public 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>

Implements

GetItemsUnderRect(Rect)

Gets the items under rectangle.

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

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

Implements

GetShapesNearPoint(Point, Double)

Gets the shapes near point within some delta distance.

Declaration
public 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>

Implements

GetShapesUnderRect(Rect)

Gets the shapes under rectangle.

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

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

Implements

GetTopItemNearPoint(Point, Double)

Gets the topmost item under point.

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

The point.
System.Double delta

The delta.
Returns
IDiagramItem

Implements

GetTopShapesUnderPoint(Point)

Gets the shapes under point.

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

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

Implements

Extension Methods