'宣言
Public Class _EChartsDataLabelConnectingLineOptionConverter Inherits GrapeCity.DataVisualization.Options._BaseOptionConverter(Of IGcesRadialPlotSmartDataLabelConnectingLineOption)
public class _EChartsDataLabelConnectingLineOptionConverter : GrapeCity.DataVisualization.Options._BaseOptionConverter<IGcesRadialPlotSmartDataLabelConnectingLineOption>