![](dotnetdiagramimages/C1_WPF_Schedule_C1_WPF_Schedule_NumberStringValidator.png)
'Declaration
Public Class NumberStringValidator Inherits System.Windows.Controls.ValidationRule
public class NumberStringValidator : System.Windows.Controls.ValidationRule
System.Object
System.Windows.Controls.ValidationRule
C1.WPF.Schedule.NumberStringValidator
C1.WPF.Schedule.DayOfMonthValidationRule