![](dotnetdiagramimages/MESCIUS_ActiveReports_Core_Rendering_GrapeCity_DataVisualization_Chart__NumberDataFieldDefinition.png)
'宣言
Public Class _NumberDataFieldDefinition Inherits _DataFieldDefinition Implements IDataFieldDefinition, GrapeCity.DataVisualization.Chart.IEquatable(Of IDataFieldDefinition), INumberDataFieldDefinition
public class _NumberDataFieldDefinition : _DataFieldDefinition, IDataFieldDefinition, GrapeCity.DataVisualization.Chart.IEquatable<IDataFieldDefinition>, INumberDataFieldDefinition
System.Object
GrapeCity.DataVisualization.Chart._DataFieldDefinition
GrapeCity.DataVisualization.Chart._NumberDataFieldDefinition