Class ViewAnnotation

This class is used to add an view annotation in SfChart. An instance of this class need to be added to ChartAnnotations collection.

Inheritance
System.Object
ChartAnnotation
ViewAnnotation
Inherited Members
Namespace: Syncfusion.SfChart.XForms
Assembly: Syncfusion.SfChart.XForms.dll
Syntax
public class ViewAnnotation : ChartAnnotation, IThemeElement
Remarks

ViewAnnotation is used to add any custom shape or custom view over the chart area.

Examples
SfChart chart = new SfChart();
ViewAnnotation viewAnnotation = new ViewAnnotation();
chart.ChartAnnotations.Add(viewAnnotation);

Constructors

ViewAnnotation()

Declaration
public ViewAnnotation()

Fields

HorizontalAlignmentProperty

Gets or sets the horizontal alignment of the view. This is a bindable property.

Declaration
public static readonly BindableProperty HorizontalAlignmentProperty
Field Value
Type Description
Xamarin.Forms.BindableProperty

VerticalAlignmentProperty

Gets or sets the vertical alignment of the view. This is a bindable property.

Declaration
public static readonly BindableProperty VerticalAlignmentProperty
Field Value
Type Description
Xamarin.Forms.BindableProperty

ViewProperty

Gets or sets the View that represents custom view for annotation. This is a bindable property.

Declaration
public static readonly BindableProperty ViewProperty
Field Value
Type Description
Xamarin.Forms.BindableProperty

Properties

HorizontalAlignment

Gets or sets the horizontal alignment of the view. This is a bindable property.

Declaration
public ChartAnnotationAlignment HorizontalAlignment { get; set; }
Property Value
Type Description
ChartAnnotationAlignment

This property takes the HorizontalAlignment as its value.

VerticalAlignment

Gets or sets the vertical alignment of the view. This is a bindable property.

Declaration
public ChartAnnotationAlignment VerticalAlignment { get; set; }
Property Value
Type Description
ChartAnnotationAlignment

This property takes the VerticalAlignment as its value.

View

Gets or sets the View that represents custom view for annotation. This is a bindable property.

Declaration
public View View { get; set; }
Property Value
Type Description
Xamarin.Forms.View

This property takes the View value.

Methods

OnBindingContextChanged()

Override this method to execute an action when the BindingContext changes.

Declaration
protected override void OnBindingContextChanged()