Class ChartTrackBallBehavior

Represents a behavior that adds two lines in RadChartBase's render surface. The two lines intersect at the center of the closest data point found.

Inheritance
System.Object
ChartBehavior
ChartTrackBallBehavior
Inherited Members
Namespace: Telerik.Windows.Controls.ChartView
Assembly: Telerik.Windows.Controls.Chart.dll

Syntax

public class ChartTrackBallBehavior : ChartBehavior

Constructors

ChartTrackBallBehavior()

Initializes a new instance of the ChartTrackBallBehavior class.

Declaration
public ChartTrackBallBehavior()

Fields

PositionProperty

Identifies the Position dependency property.

Declaration
public static readonly DependencyProperty PositionProperty
Field Value
System.Windows.DependencyProperty

ShowIntersectionPointsProperty

Identifies the ShowIntersectionPoints dependency property.

Declaration
public static readonly DependencyProperty ShowIntersectionPointsProperty
Field Value
System.Windows.DependencyProperty

ShowTrackInfoProperty

Identifies the ShowTrackInfo dependency property.

Declaration
public static readonly DependencyProperty ShowTrackInfoProperty
Field Value
System.Windows.DependencyProperty

SnapModeProperty

Identifies the SnapMode dependency property.

Declaration
public static readonly DependencyProperty SnapModeProperty
Field Value
System.Windows.DependencyProperty

SnapSinglePointPerSeriesProperty

Identifies the SnapSinglePointPerSeries dependency property.

Declaration
public static readonly DependencyProperty SnapSinglePointPerSeriesProperty
Field Value
System.Windows.DependencyProperty

Properties

Position

Gets or sets the position at which the track ball is displayed.

Declaration
public Point Position { get; set; }
Property Value
System.Windows.Point

ShowIntersectionPoints

Gets or sets a value indicating whether a visual information for all the closest data points will be displayed.

Declaration
public bool ShowIntersectionPoints { get; set; }
Property Value
System.Boolean

ShowTrackInfo

Gets or sets a value indicating whether a visual information for all the closest data points will be displayed.

Declaration
public bool ShowTrackInfo { get; set; }
Property Value
System.Boolean

SnapMode

Gets or sets the how this behavior should snap to the closest to a physical location data points.

Declaration
public TrackBallSnapMode SnapMode { get; set; }
Property Value
TrackBallSnapMode

SnapSinglePointPerSeries

Gets or sets a value indicating whether all data points for the series will be displayed.

Declaration
public bool SnapSinglePointPerSeries { get; set; }
Property Value
System.Boolean

Methods

OnAttached()

This method is called when this behavior is added to the chart.

Declaration
protected override void OnAttached()
Overrides

OnChartTemplateChanged(Canvas, Canvas)

Called when chart template is changed.

Declaration
protected override void OnChartTemplateChanged(Canvas oldAdornerContainer, Canvas adornerContainer)
Parameters
System.Windows.Controls.Canvas oldAdornerContainer

The old adorner layer.
System.Windows.Controls.Canvas adornerContainer

The adorner layer.
Overrides

OnDetached()

This method is called when this behavior is removed from the chart.

Declaration
protected override void OnDetached()
Overrides

Events

PositionChanging

Occurs when the value of the Position property is changing. Allows for the new position to be modified.

Declaration
public event EventHandler<TrackBallPositionChangingEventArgs> PositionChanging
Event Type
System.EventHandler<TrackBallPositionChangingEventArgs>

TrackInfoUpdated

Occurs when a track info is updated, just before the UI that represents it is updated. Allows custom information to be displayed.

Declaration
public event EventHandler<TrackBallInfoEventArgs> TrackInfoUpdated
Event Type
System.EventHandler<TrackBallInfoEventArgs>

Extension Methods