NuGet Package: DevExpress.Wpf.Charts
public abstract class PieSeries : Series
Public MustInherit Class PieSeries Inherits Series
The PieSeries class implements general functionality common for pie series. For example, it introduces the PieSeries.LabelPosition property, which can be attached to SeriesLabels, to specify their position in respect to pie slices, and the PieSeries.ExplodedDistance property, which can be attached to SeriesPoint objects, and specifies their distance from the center when they are exploded.
In addition, the PieSeries class introduces the PieSeries.HoleRadiusPercent property, which defines the size of the donut hole.