'宣言
Public Class _SankeyEncodingsDefinition Inherits GrapeCity.DataVisualization.Chart._EncodingsDefinition(Of ISankeyCategoryEncodingDefinition,ILegendDefinition,ILegendDefinition,ILegendDefinition,ILegendDefinition,ILegendDefinition) Implements IEncodingsDefinition, ISankeyEncodingsDefinition