'Declaration Public Class C1PieChartExtender Inherits C1.Web.Wijmo.Extenders.C1Chart.C1ChartCoreExtender(Of PieChartSeries,PieChartAnimation) Implements C1.Web.Wijmo.Extenders.Base.IC1Extender, C1.Web.Wijmo.Extenders.IWijmoWidgetDependenciesSupport, C1.Web.Wijmo.Extenders.IWijmoWidgetSupport