private static void OnFractionalSecondsDigitsCountChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
{
TimeSpanUpDown timeSpanUpDown = o as TimeSpanUpDown;
if (timeSpanUpDown != null)
{
timeSpanUpDown.OnFractionalSecondsDigitsCountChanged(( int )e.OldValue, ( int )e.NewValue);
}
}
