Class EllipseAnnotation

This class is used to add an ellipse annotation in the SfCartesianChart. An instance of this class needs to be added to the Annotations collection.

Inheritance

System.Object

ChartAnnotation

ShapeAnnotation

EllipseAnnotation

Inherited Members

ChartAnnotation.CoordinateUnit

ChartAnnotation.CoordinateUnitProperty

ChartAnnotation.IsVisible

ChartAnnotation.IsVisibleProperty

ChartAnnotation.X1

ChartAnnotation.X1Property

ChartAnnotation.XAxisName

ChartAnnotation.XAxisNameProperty

ChartAnnotation.Y1

ChartAnnotation.Y1Property

ChartAnnotation.YAxisName

ChartAnnotation.YAxisNameProperty

ShapeAnnotation.Fill

ShapeAnnotation.FillProperty

ShapeAnnotation.LabelStyle

ShapeAnnotation.LabelStyleProperty

ShapeAnnotation.OnBindingContextChanged()

ShapeAnnotation.OnParentSet()

ShapeAnnotation.Stroke

ShapeAnnotation.StrokeDashArray

ShapeAnnotation.StrokeDashArrayProperty

ShapeAnnotation.StrokeProperty

ShapeAnnotation.StrokeWidth

ShapeAnnotation.StrokeWidthProperty

ShapeAnnotation.Text

ShapeAnnotation.TextProperty

ShapeAnnotation.X2

ShapeAnnotation.X2Property

ShapeAnnotation.Y2

ShapeAnnotation.Y2Property

Namespace: Syncfusion.Maui.Charts

Assembly: Syncfusion.Maui.Charts.dll

Syntax

public class EllipseAnnotation : ShapeAnnotation, IThemeElement

Remarks

EllipseAnnotation is used to draw a circle or an ellipse over the chart area.

<chart:SfCartesianChart.Annotations>
  <chart:EllipseAnnotation X1="3" Y1="10" X2="4" Y2="15" Text="Ellipse">
  </chart:EllipseAnnotation>
</chart:SfCartesianChart.Annotations>

 SfCartesianChart chart = new SfCartesianChart();
 var ellipse = new EllipseAnnotation()
 {
   X1 = 3,
   Y1 = 10,
   X2 = 4,
   Y2 = 15,
   Text = "Ellipse",
 };

chart.Annotations.Add(ellipse);

Constructors

EllipseAnnotation()

Declaration

public EllipseAnnotation()

Fields

HeightProperty

Identifies the Height bindable property.

Declaration

public static readonly BindableProperty HeightProperty

Field Value

Type	Description
Microsoft.Maui.Controls.BindableProperty	The identifier for Height bindable property.

HorizontalAlignmentProperty

Identifies the HorizontalAlignment bindable property.

Declaration

public static readonly BindableProperty HorizontalAlignmentProperty

Field Value

Type	Description
Microsoft.Maui.Controls.BindableProperty	The identifier for HorizontalAlignment bindable property.

VerticalAlignmentProperty

Identifies the VerticalAlignment bindable property.

Declaration

public static readonly BindableProperty VerticalAlignmentProperty

Field Value

Type	Description
Microsoft.Maui.Controls.BindableProperty	The identifier for VerticalAlignment bindable property.

WidthProperty

Identifies the Width bindable property.

Declaration

public static readonly BindableProperty WidthProperty

Field Value

Type	Description
Microsoft.Maui.Controls.BindableProperty	The identifier for Width bindable property.

Properties

Height

Gets or sets the height value for the ellipse annotation.

Declaration

public double Height { get; set; }

Property Value

Type	Description
System.Double	This property takes the `double` as its value and its default value is 10.

Examples

Xaml
C#

    <chart:SfCartesianChart>

    <!-- ... Eliminated for simplicity-->
    <chart:SfCartesianChart.Annotations>
         <chart:EllipseAnnotation X1="3" Y1="10" Width="20" Height="20"/>
    </chart:SfCartesianChart.Annotations>  

    </chart:SfCartesianChart>

 SfCartesianChart chart = new SfCartesianChart();     

    // Eliminated for simplicity
 var ellipse = new EllipseAnnotation()
 {
   X1 = 3,
   Y1 = 10,
   Height = 20,
   Width = 20,
 };

chart.Annotations.Add(ellipse);

HorizontalAlignment

Gets or sets the horizontal alignment of the ellipse annotation.

Declaration

public ChartAlignment HorizontalAlignment { get; set; }

Property Value

Type	Description
ChartAlignment	This property takes the ChartAlignment as its value and its default value is Center.

Examples

Xaml
C#

    <chart:SfCartesianChart>

    <!-- ... Eliminated for simplicity-->
    <chart:SfCartesianChart.Annotations>
         <chart:EllipseAnnotation X1="3" Y1="10" Width="20" Height="20" HorizontalAlignment="Start"/>
    </chart:SfCartesianChart.Annotations>  

    </chart:SfCartesianChart>

 SfCartesianChart chart = new SfCartesianChart();     

    // Eliminated for simplicity
 var ellipse = new EllipseAnnotation()
 {
   X1 = 3,
   Y1 = 10,
   Height = 20,
   Width = 20,
   HorizontalAlignment = ChartAlignment.Start,
 };

chart.Annotations.Add(ellipse);

VerticalAlignment

Gets or sets the vertical alignment of the ellipse annotation.

Declaration

public ChartAlignment VerticalAlignment { get; set; }

Property Value

Type	Description
ChartAlignment	This property takes the ChartAlignment as its value. Its default value is Center.

Examples

Xaml
C#

    <chart:SfCartesianChart>

    <!-- ... Eliminated for simplicity-->
    <chart:SfCartesianChart.Annotations>
         <chart:EllipseAnnotation X1="3" Y1="10" Width="20" Height="20" VerticalAlignment="Start"/>
    </chart:SfCartesianChart.Annotations>  

    </chart:SfCartesianChart>

 SfCartesianChart chart = new SfCartesianChart();     

    // Eliminated for simplicity
 var ellipse = new EllipseAnnotation()
 {
   X1 = 3,
   Y1 = 10,
   Height = 20,
   Width = 20,
   VerticalAlignment = ChartAlignment.Start,
 };

chart.Annotations.Add(ellipse);

Width

Gets or sets the width value for the ellipse annotation.

Declaration

public double Width { get; set; }

Property Value

Type	Description
System.Double	This property takes the `double` as its value and its default value is 10.

Examples

Xaml
C#

    <chart:SfCartesianChart>

    <!-- ... Eliminated for simplicity-->
    <chart:SfCartesianChart.Annotations>
         <chart:EllipseAnnotation X1="3" Y1="10" Height="20" Width="20"/>
    </chart:SfCartesianChart.Annotations>  

    </chart:SfCartesianChart>

 SfCartesianChart chart = new SfCartesianChart();     

    // Eliminated for simplicity
 var ellipse = new EllipseAnnotation()
 {
   X1 = 3,
   Y1 = 10,
   Width = 20,
   Height = 20,
 };

chart.Annotations.Add(ellipse);

Methods

Draw(ICanvas, RectF)

Declaration

protected override void Draw(ICanvas canvas, RectF dirtyRect)

Parameters

Type	Name	Description
Microsoft.Maui.Graphics.ICanvas	canvas
Microsoft.Maui.Graphics.RectF	dirtyRect

Overrides

ShapeAnnotation.Draw(ICanvas, RectF)