![](dotnetdiagramimages/MESCIUS_ActiveReports_Core_Rendering_GrapeCity_DataVisualization_Chart__BooleanDataField.png)
'宣言
Public Class _BooleanDataField Inherits _BaseDataField Implements IBooleanDataField, IDataField, GrapeCity.DataVisualization.Chart.IEquatable(Of IDataField)
public class _BooleanDataField : _BaseDataField, IBooleanDataField, IDataField, GrapeCity.DataVisualization.Chart.IEquatable<IDataField>
System.Object
GrapeCity.DataVisualization.Chart._BaseDataField
GrapeCity.DataVisualization.Chart._BooleanDataField