'宣言
Public Class _EChartsSmartDataLabelOption Inherits _DataLabelOption Implements GrapeCity.DataVisualization.Chart.IOptionStrictMode, IDataLabelOption, IGcesRadialPlotSmartDataLabelOption, IOption
public class _EChartsSmartDataLabelOption : _DataLabelOption, GrapeCity.DataVisualization.Chart.IOptionStrictMode, IDataLabelOption, IGcesRadialPlotSmartDataLabelOption, IOption