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
Namespace: Syncfusion.Maui.Toolkit.Charts
Assembly: Syncfusion.Maui.Toolkit.dll
Syntax
public class EllipseAnnotation : ShapeAnnotation, IThemeElement
Remarks

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

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

Constructors

EllipseAnnotation()

Declaration
public EllipseAnnotation()

Fields

HeightProperty

Identifies the Height bindable property.

Declaration
public static readonly BindableProperty HeightProperty
Field Value
Type
Microsoft.Maui.Controls.BindableProperty
Remarks

The Height property sets the height of the EllipseAnnotation in the chart.

HorizontalAlignmentProperty

Identifies the HorizontalAlignment bindable property.

Declaration
public static readonly BindableProperty HorizontalAlignmentProperty
Field Value
Type
Microsoft.Maui.Controls.BindableProperty
Remarks

The HorizontalAlignment property controls the horizontal position alignment of the EllipseAnnotation within the chart area.

VerticalAlignmentProperty

Identifies the VerticalAlignment bindable property.

Declaration
public static readonly BindableProperty VerticalAlignmentProperty
Field Value
Type
Microsoft.Maui.Controls.BindableProperty
Remarks

The VerticalAlignment property controls the vertical position alignment of the EllipseAnnotation within the chart area.

WidthProperty

Identifies the Width bindable property.

Declaration
public static readonly BindableProperty WidthProperty
Field Value
Type
Microsoft.Maui.Controls.BindableProperty
Remarks

The Width property sets the width of the EllipseAnnotation in the chart.

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 System.Double as its value and its default value is 10.
Examples
    <chart:SfCartesianChart>

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

    </chart:SfCartesianChart>

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
    <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>

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
    <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>

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 System.Double as its value and its default value is 10.
Examples
    <chart:SfCartesianChart>

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

    </chart:SfCartesianChart>

Methods

Draw(ICanvas, RectF)

Draws the annotation of the chart.

Declaration
protected override void Draw(ICanvas canvas, RectF dirtyRect)
Parameters
Type Name Description
Microsoft.Maui.Graphics.ICanvas canvas
Microsoft.Maui.Graphics.RectF dirtyRect
Overrides