/// <summary>
/// HoursIntervalStringFormatProperty property changed handler.
/// </summary>
/// <param name="d">DateTimeAxisLabel that changed its HoursIntervalStringFormat.</param>
/// <param name="e">Event arguments.</param>
private static void OnHoursIntervalStringFormatPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
DateTimeAxisLabel source = (DateTimeAxisLabel)d;
source.OnHoursIntervalStringFormatPropertyChanged();
}
