Represents a diagram that is used to plot series of the Polar view types.
public class PolarDiagram :
Public Class PolarDiagram
The PolarDiagram class represents a circular diagram type used to plot series of the Polar view types.
An object of the PolarDiagram type can be accessed via the ChartControl.Diagram property of a chart control that displays a Polar series.
For more information, refer to Radar and Polar Diagrams.