![](dotnetdiagramimages/C1_Win_FlexGrid_8_C1_Win_FlexGrid_ValidationRule.png)
'Declaration
Public MustInherit Class ValidationRule
public abstract class ValidationRule
System.Object
C1.Win.FlexGrid.ValidationRule
C1.Win.FlexGrid.CompareRule
C1.Win.FlexGrid.RangeRule
C1.Win.FlexGrid.RequiredRule
C1.Win.FlexGrid.StringLengthRule