Class ChartCrossHairBehavior

ChartCrossHairBehavior enables viewing of informations related to Chart coordinates, at mouse over position or at touch contact point inside a Chart.

Inheritance

System.Object

ChartBehavior

ChartCrossHairBehavior

Implements

ICloneable

Inherited Members

ChartBehavior.AdorningCanvas

ChartBehavior.BottomAdorningCanvas

ChartBehavior.ChartArea

ChartBehavior.chartAxis

ChartBehavior.Clone()

ChartBehavior.DetachElement(UIElement)

ChartBehavior.GetYValuesBasedOnIndex(Double, ChartSeriesBase)

ChartBehavior.OnDoubleTapped(MouseButtonEventArgs)

ChartBehavior.OnDragEnter(DragEventArgs)

ChartBehavior.OnDragLeave(DragEventArgs)

ChartBehavior.OnDragOver(DragEventArgs)

ChartBehavior.OnDrop(DragEventArgs)

ChartBehavior.OnGotFocus(RoutedEventArgs)

ChartBehavior.OnKeyDown(KeyEventArgs)

ChartBehavior.OnKeyUp(KeyEventArgs)

ChartBehavior.OnLostFocus(RoutedEventArgs)

ChartBehavior.OnManipulationCompleted(ManipulationCompletedEventArgs)

ChartBehavior.OnManipulationDelta(ManipulationDeltaEventArgs)

ChartBehavior.OnManipulationStarted(ManipulationStartedEventArgs)

ChartBehavior.OnMouseEnter(MouseEventArgs)

ChartBehavior.OnMouseWheel(MouseWheelEventArgs)

ChartBehavior.UpdateArea()

Namespace: Syncfusion.UI.Xaml.Charts

Assembly: Syncfusion.SfChart.WPF.dll

Syntax

public class ChartCrossHairBehavior : ChartBehavior, ICloneable

Remarks

ChartCrossHairBehavior displays a vertical line, horizontal line and a popup like control displaying information about the data point at touch contact point or at mouse over position. You can also customize the look of cross hair and information displayed in a label.

Examples

This example, we are using ChartCrossHairBehavior.

    <syncfusion:SfChart>
        <syncfusion:SfChart.Behaviors>
            <syncfusion:ChartCrossHairBehavior/>
        </syncfusion:SfChart.Behaviors>
    </syncfusion:SfChart>

    ChartCrossHairBehavior crossHair = new ChartCrossHairBehavior();
    chartArea.Behaviors.Add(crossHair);

Constructors

ChartCrossHairBehavior()

Called when instance created for ChartCrossHairBehavior.

Declaration

public ChartCrossHairBehavior()

Fields

CurrentPoint

Used to specify the current location.

Declaration

protected Point CurrentPoint

Field Value

Type
System.Windows.Point

HorizontalAxisLabelAlignmentProperty

The DependencyProperty for HorizontalAxisLabelAlignment property.

Declaration

public static readonly DependencyProperty HorizontalAxisLabelAlignmentProperty

Field Value

Type
System.Windows.DependencyProperty

HorizontalLineStyleProperty

The DependencyProperty for HorizontalLineStyle property.

Declaration

public static readonly DependencyProperty HorizontalLineStyleProperty

Field Value

Type
System.Windows.DependencyProperty

VerticalAxisLabelAlignmentProperty

The DependencyProperty for VerticalAxisLabelAlignment property.

Declaration

public static readonly DependencyProperty VerticalAxisLabelAlignmentProperty

Field Value

Type
System.Windows.DependencyProperty

VerticalLineStyleProperty

The DependencyProperty for VerticalLineStyle property.

Declaration

public static readonly DependencyProperty VerticalLineStyleProperty

Field Value

Type
System.Windows.DependencyProperty

Properties

HorizontalAxisLabelAlignment

Gets or sets the alignment for the label appearing in horizontal axis.

Declaration

public ChartAlignment HorizontalAxisLabelAlignment { get; set; }

Property Value

Type	Description
ChartAlignment	ChartAlignment

HorizontalLineStyle

Gets or sets the style for horizontal line.

Declaration

public Style HorizontalLineStyle { get; set; }

Property Value

Type
System.Windows.Style

IsActivated

Gets or sets a value indicating whether the crosshair is activated or not.

Declaration

protected bool IsActivated { get; set; }

Property Value

Type
System.Boolean

PointInfos

Gets the collection of ChartPointInfo.

Declaration

public ObservableCollection<ChartPointInfo> PointInfos { get; }

Property Value

Type
System.Collections.ObjectModel.ObservableCollection<ChartPointInfo>

VerticalAxisLabelAlignment

Gets or sets the alignment for the label appearing in vertical axis.

Declaration

public ChartAlignment VerticalAxisLabelAlignment { get; set; }

Property Value

Type	Description
ChartAlignment	ChartAlignment

VerticalLineStyle

Gets or sets the style for vertical line.

Declaration

public Style VerticalLineStyle { get; set; }

Property Value

Type
System.Windows.Style

Methods

AddElement(UIElement)

Method implementation for add elements in UIElement.

Declaration

protected void AddElement(UIElement element)

Parameters

Type	Name	Description
System.Windows.UIElement	element	UIElement

AddLabel(ChartPointInfo, ChartAlignment, ChartAlignment, DataTemplate)

Method implementation for adding label in crosshair.

Declaration

protected void AddLabel(ChartPointInfo obj, ChartAlignment verticalAlignment, ChartAlignment horizontalAlignment, DataTemplate template)

Parameters

Type	Name	Description
ChartPointInfo	obj	ChartPointInfo
ChartAlignment	verticalAlignment	Used to specify ChartAlignment for vertical
ChartAlignment	horizontalAlignment	Used to specify ChartAlignment for horizontal
System.Windows.DataTemplate	template	DataTemplate

AddLabel(Object, ChartAlignment, ChartAlignment, DataTemplate, Double, Double)

Method implementation for adding labels in Crosshair.

Declaration

protected virtual void AddLabel(object obj, ChartAlignment verticalAlignemnt, ChartAlignment horizontalAlignment, DataTemplate labelTemplate, double x, double y)

Parameters

Type	Name	Description
System.Object	obj	ChartPointInfo
ChartAlignment	verticalAlignemnt	Used to specify ChartAlignment for vertical
ChartAlignment	horizontalAlignment	Used to specify ChartAlignment for horizontal
System.Windows.DataTemplate	labelTemplate	DataTemplate
System.Double	x	The X location
System.Double	y	The Y location

AlignDefaultLabel(ChartAlignment, ChartAlignment, Double, Double, ContentControl)

Align the element inside the content control.

Declaration

protected override void AlignDefaultLabel(ChartAlignment verticalAlignemnt, ChartAlignment horizontalAlignment, double x, double y, ContentControl control)

Parameters

Type	Name	Description
ChartAlignment	verticalAlignemnt	Used to specify ChartAlignment for vertical
ChartAlignment	horizontalAlignment	Used to specify ChartAlignment for horizontal
System.Double	x	The X location
System.Double	y	The Y location
System.Windows.Controls.ContentControl	control	Used to specify corresponding content control

Overrides

ChartBehavior.AlignDefaultLabel(ChartAlignment, ChartAlignment, Double, Double, ContentControl)

AttachElements()

Method implementation for AttachElements.

Declaration

protected override void AttachElements()

Overrides

ChartBehavior.AttachElements()

CloneBehavior(DependencyObject)

Declaration

protected override DependencyObject CloneBehavior(DependencyObject obj)

Parameters

Type	Name	Description
System.Windows.DependencyObject	obj

Returns

Type
System.Windows.DependencyObject

Overrides

ChartBehavior.CloneBehavior(DependencyObject)

DetachElements()

Method implementation for DetachElements.

Declaration

protected override void DetachElements()

Overrides

ChartBehavior.DetachElements()

GenerateLabel(ChartPointInfo, ChartAxis)

Method implementation to generate trackball label for axis.

Declaration

protected virtual void GenerateLabel(ChartPointInfo pointInfo, ChartAxis axis)

Parameters

Type	Name	Description
ChartPointInfo	pointInfo	ChartPointInfo
ChartAxis	axis	ChartAxis

OnLayoutUpdated()

Called when the layout updated from chart.

Declaration

protected override void OnLayoutUpdated()

Overrides

ChartBehavior.OnLayoutUpdated()

OnMouseLeave(MouseEventArgs)

Called when mouse leave from the chart.

Declaration

protected override void OnMouseLeave(MouseEventArgs e)

Parameters

Type	Name	Description
System.Windows.Input.MouseEventArgs	e	MouseEventArgs

Overrides

ChartBehavior.OnMouseLeave(MouseEventArgs)

OnMouseLeftButtonDown(MouseButtonEventArgs)

Called when mouse left button was pressed in chart.

Declaration

protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)

Parameters

Type	Name	Description
System.Windows.Input.MouseButtonEventArgs	e	MouseButtonEventArgs

Overrides

ChartBehavior.OnMouseLeftButtonDown(MouseButtonEventArgs)

OnMouseLeftButtonUp(MouseButtonEventArgs)

Called when mouse left button was released.

Declaration

protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)

Parameters

Type	Name	Description
System.Windows.Input.MouseButtonEventArgs	e	MouseButtonEventArgs

Overrides

ChartBehavior.OnMouseLeftButtonUp(MouseButtonEventArgs)

OnMouseMove(MouseEventArgs)

Called when mouse moved in the chart.

Declaration

protected override void OnMouseMove(MouseEventArgs e)

Parameters

Type	Name	Description
System.Windows.Input.MouseEventArgs	e	MouseEventArgs

Overrides

ChartBehavior.OnMouseMove(MouseEventArgs)

OnSizeChanged(SizeChangedEventArgs)

Called when size changed.

Declaration

protected override void OnSizeChanged(SizeChangedEventArgs e)

Parameters

Type	Name	Description
System.Windows.SizeChangedEventArgs	e	SizeChangedEventArgs

Overrides

ChartBehavior.OnSizeChanged(SizeChangedEventArgs)

SetPosition(Point)

Method implementation for set positions for given point.

Declaration

protected virtual void SetPosition(Point point)

Parameters

Type	Name	Description
System.Windows.Point	point	Point

Implements

ICloneable