Class PolarDataLabelSettings

The PolarDataLabelSettings class is used to customize the appearance of polar series data labels.

Inheritance

System.Object

ChartDataLabelSettings

PolarDataLabelSettings

Inherited Members

ChartDataLabelSettings.LabelPlacement

ChartDataLabelSettings.LabelPlacementProperty

ChartDataLabelSettings.LabelStyle

ChartDataLabelSettings.LabelStyleProperty

ChartDataLabelSettings.UseSeriesPalette

ChartDataLabelSettings.UseSeriesPaletteProperty

Namespace: Syncfusion.Maui.Toolkit.Charts

Assembly: Syncfusion.Maui.Toolkit.dll

Syntax

public class PolarDataLabelSettings : ChartDataLabelSettings

Remarks

To customize data labels, create an instance of the PolarDataLabelSettings class and set it to the DataLabelSettings property of a polar series.

ShowDataLabels

Data labels can be added to a chart series by enabling the ShowDataLabels option.

Xaml
C#

   <chart:SfPolarChart>

      <!-- ... Eliminated for simplicity-->
      <chart:PolarLineSeries ItemsSource ="{Binding Data}" 
                             XBindingPath="XValue" 
                             YBindingPath="YValue"
                             ShowDataLabels="True"/>

   </chart:SfPolarChart>

    SfPolarChart chart = new SfPolarChart();
    ViewModel viewModel = new ViewModel();

    // Eliminated for simplicity
    PolarLineSeries series = new PolarLineSeries()
    {
       ItemsSource = viewModel.Data,
       XBindingPath = "XValue",
       YBindingPath = "YValue",
       ShowDataLabels = true
    };

    chart.Series.Add(series);

Customization

To change the appearance of data labels, it offers LabelStyle options.

Null values are invalid for LabelStyle.

Xaml
C#

   <chart:SfPolarChart>

    <!-- ... Eliminated for simplicity-->
      <chart:PolarLineSeries ItemsSource ="{Binding Data}" 
                             XBindingPath="XValue" 
                             YBindingPath="YValue"
                             ShowDataLabels="True">
         <chart:PolarLineSeries.PolarDataLabelSettings>
              <chart:PolarDataLabelSettings>
                   <chart:PolarDataLabelSettings.LabelStyle>
                       <chart:ChartDataLabelStyle Background = "Red" FontSize="14" TextColor="Black" />
                   </chart:PolarDataLabelSettings.LabelStyle>
               </chart:PolarDataLabelSettings>
         </chart:PolarLineSeries.PolarDataLabelSettings>
      <chart:PolarLineSeries />
   </chart:SfPolarChart>

    SfPolarChart chart = new SfPolarChart();
    ViewModel viewModel = new ViewModel();

    // Eliminated for simplicity
    PolarLineSeries series = new PolarLineSeries()
    {
       ItemsSource = viewModel.Data,
       XBindingPath = "XValue",
       YBindingPath = "YValue",
       ShowDataLabels = true
    };

    var labelStyle = new ChartDataLabelStyle()
    { 
        Background = new SolidColorBrush(Colors.Red),
        TextColor = Colors.Black,
        FontSize = 14
    };
    series.DataLabelSettings = new PolarDataLabelSettings()
    {
        LabelStyle = labelStyle
    };

    chart.Series.Add(series);

Constructors

PolarDataLabelSettings()

Initializes a new instance of the PolarDataLabelSettings.

Declaration

public PolarDataLabelSettings()