'宣言
Public Class _XFieldEncodingDefinition Inherits _ValueEncodingDefinition Implements IEncodingDefinition, GrapeCity.DataVisualization.Chart.IEquatable(Of IEncodingDefinition), IValueEncodingDefinition, IXFieldEncodingDefinition
public class _XFieldEncodingDefinition : _ValueEncodingDefinition, IEncodingDefinition, GrapeCity.DataVisualization.Chart.IEquatable<IEncodingDefinition>, IValueEncodingDefinition, IXFieldEncodingDefinition