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IPieSeriesData Interface
The interface should be implemented by an object that provide data for PieSeries .
Namespace : DevExpress.Maui.Charts
Assembly :
DevExpress.Maui.Charts.dll
NuGet Package :
DevExpress.Maui.Charts
# Declaration
C#
public interface IPieSeriesData
# Related API Members
The following members return IPieSeriesData objects:
# Example
This example populates a Pie series with data:
<dxc:PieChartView.Series >
<dxc:DonutSeries DisplayName ="Stock" >
<dxc:DonutSeries.Data >
<data:BudgetSeriesData ItemsSource ="{Binding Income}" />
</dxc:DonutSeries.Data >
</dxc:DonutSeries >
</dxc:PieChartView.Series >
public class BudgetSeriesData : BindableObject , IPieSeriesData {
public const string ItemsSourcePropertyName = "ItemsSource" ;
public static readonly BindableProperty ItemsSourceProperty = BindableProperty.Create(
propertyName: ItemsSourcePropertyName,
returnType: typeof (IReadOnlyList<BudgetItem>),
declaringType: typeof (BudgetSeriesData),
defaultValue: null );
public IReadOnlyList<BudgetItem> ItemsSource {
get => (IReadOnlyList<BudgetItem>)GetValue(ItemsSourceProperty);
set => SetValue(ItemsSourceProperty, value );
}
public int GetDataCount ( ) => ItemsSource.Count;
public DateTime GetLabel (int index ) => ItemsSource[index].Type;
public double GetValue (DXC.ValueType valueType, int index ) => ItemsSource[index].Value;
public object GetKey (int index ) => ItemsSource[index];
}
The code above uses the following classes and members:
Symbol
Description
DonutSeries
Displays data as a pie chart with a hole in center.
LineSeries.Data
IPieSeriesData
The interface should be implemented by an object that provide data for PieSeries .
See Also