![](dotnetdiagramimages/MESCIUS_ActiveReports_Core_Rendering_GrapeCity_DataVisualization_Chart__DateRangeValueInfo.png)
'宣言
Public Class _DateRangeValueInfo Inherits _ValueInfo Implements IDateRangeValue, IQueryInterface, IValue
public class _DateRangeValueInfo : _ValueInfo, IDateRangeValue, IQueryInterface, IValue
System.Object
GrapeCity.DataVisualization.Chart._ValueInfo
GrapeCity.DataVisualization.Chart._DateRangeValueInfo