Class ChartBase

The ChartBase class is the base for SfCartesianChart and SfCircularChart types.

Inheritance
System.Object
ChartBase
SfCartesianChart
SfCircularChart
SfFunnelChart
SfPyramidChart
Implements
Microsoft.Maui.IContentView
Microsoft.Maui.IView
Microsoft.Maui.IElement
Microsoft.Maui.ITransform
Microsoft.Maui.IPadding
Namespace: Syncfusion.Maui.Charts
Assembly: Syncfusion.Maui.Charts.dll
Syntax
public abstract class ChartBase : View, IContentView, IView, IElement, ITransform, IPadding, IChart

Constructors

ChartBase()

Initializes a new instance of the ChartBase class.

Declaration
public ChartBase()

Fields

LegendProperty

Identifies the Legend bindable property.

Declaration
public static readonly BindableProperty LegendProperty
Field Value
Type Description
Microsoft.Maui.Controls.BindableProperty

The identifier for Legend bindable property.

PlotAreaBackgroundViewProperty

Identifies the PlotAreaBackgroundView bindable property.

Declaration
public static readonly BindableProperty PlotAreaBackgroundViewProperty
Field Value
Type Description
Microsoft.Maui.Controls.BindableProperty

TitleProperty

Identifies the Title bindable property.

Declaration
public static readonly BindableProperty TitleProperty
Field Value
Type Description
Microsoft.Maui.Controls.BindableProperty

The identifier for Title bindable property.

TooltipBehaviorProperty

Identifies the TooltipBehavior bindable property.

Declaration
public static readonly BindableProperty TooltipBehaviorProperty
Field Value
Type Description
Microsoft.Maui.Controls.BindableProperty

The identifier for TooltipBehavior bindable property.

Properties

Legend

Gets or sets the legend that helps to identify the corresponding series or data point in chart.

Declaration
public ChartLegend Legend { get; set; }
Property Value
Type Description
ChartLegend

This property takes a ChartLegend instance as value and its default value is null.
Remarks

To render a legend, create an instance of ChartLegend, and assign it to the Legend property.

Examples
 
<chart:SfCircularChart>

       <chart:SfCircularChart.BindingContext>
           <local:ViewModel/>
       </chart:SfCircularChart.BindingContext>

       <chart:SfCircularChart.Legend>
           <chart:ChartLegend/>
       </chart:SfCircularChart.Legend>

       <chart:SfCircularChart.Series>
           <chart:PieSeries ItemsSource="{Binding Data}"
                            XBindingPath="XValue"
                            YBindingPath="YValue" />
       </chart:SfCircularChart.Series>

</chart:SfCircularChart>

PlotAreaBackgroundView

Gets or sets the view to the background of chart area.

Declaration
public View PlotAreaBackgroundView { get; set; }
Property Value
Type Description
Microsoft.Maui.Controls.View

Defaults to null.
Examples
<chart:SfCircularChart>

        <chart:SfCircularChart.BindingContext>
            <local:ViewModel/>
        </chart:SfCircularChart.BindingContext>

        <chart:SfCartesianChart.PlotAreaBackgroundView>
            <BoxView Color="Aqua" Margin = "10" CornerRadius = "5" />
        </chart:SfCartesianChart.PlotAreaBackgroundView>

        <chart:SfCircularChart.Series>
            <chart:PieSeries ItemsSource="{Binding Data}" XBindingPath="XValue" YBindingPath="YValue1"/>
        </chart:SfCircularChart.Series>

</chart:SfCircularChart>

Title

Gets or sets the title for chart. It supports the string or any view as title.

Declaration
public object Title { get; set; }
Property Value
Type Description
System.Object

Default value is null.
Remarks

Example code for string as title.

    <chart:SfCartesianChart Title="Average High/Low Temperature">

    </chart:SfCartesianChart>

Example code for View as title.

    <chart:SfCartesianChart>

          <chart:SfCartesianChart.Title>
              <Label Text = "Average High/Low Temperature" 
                     HorizontalOptions="Fill"
                     HorizontalTextAlignment="Center"
                     VerticalOptions="Center"
                     FontSize="16"
                     TextColor="Black"/>
          </chart:SfCartesianChart.Title>

    </chart:SfCartesianChart>

TooltipBehavior

Gets or sets a tooltip behavior that allows to customize the default tooltip appearance in the chart.

Declaration
public ChartTooltipBehavior TooltipBehavior { get; set; }
Property Value
Type Description
ChartTooltipBehavior

This property takes ChartTooltipBehavior instance as value and its default value is null.
Remarks

To display the tooltip on the chart, set the EnableTooltip property as true in ChartSeries.

To customize the appearance of the tooltip elements like Background, TextColor and Font, create an instance of ChartTooltipBehavior class, modify the values, and assign it to the chart’s TooltipBehavior property.

Examples
<chart:SfCircularChart>

        <chart:SfCircularChart.BindingContext>
            <local:ViewModel/>
        </chart:SfCircularChart.BindingContext>

        <chart:SfCircularChart.TooltipBehavior>
            <chart:ChartTooltipBehavior/>
        </chart:SfCircularChart.TooltipBehavior>

        <chart:SfCircularChart.Series>
            <chart:PieSeries EnableTooltip="True" ItemsSource="{Binding Data}" XBindingPath="XValue" YBindingPath="YValue1"/>
        </chart:SfCircularChart.Series>

</chart:SfCircularChart>
See Also

Methods

OnBindingContextChanged()

Invoked when binding context changed.

Declaration
protected override void OnBindingContextChanged()

Implements

Microsoft.Maui.IContentView
Microsoft.Maui.IView
Microsoft.Maui.IElement
Microsoft.Maui.ITransform
Microsoft.Maui.IPadding