'宣言
Public Class _DefaultPolarCoordinateSystemViewLayoutPolicy Inherits GrapeCity.DataVisualization.Chart._BaseCoordinateSystemViewLayoutPolicy(Of IPolarCoordinateSystemView) Implements ICoordinateSystemViewLayoutPolicy
public class _DefaultPolarCoordinateSystemViewLayoutPolicy : GrapeCity.DataVisualization.Chart._BaseCoordinateSystemViewLayoutPolicy<IPolarCoordinateSystemView>, ICoordinateSystemViewLayoutPolicy