Culture 添付プロパティは検証結果をローカライズするために使用されます: <TextBox c1sched:NumberStringValidator.Culture=''{Binding Path=CalendarHelper.Culture, RelativeSource={RelativeSource AncestorType={x:Type c1sched:C1Scheduler}}, Mode=OneWay}''/>

'宣言
 
Public Shared ReadOnly CultureProperty As System.Windows.DependencyProperty

public static readonly System.Windows.DependencyProperty CultureProperty