private static void OnMaxPointsCountChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
AdjustablePointSelector owner = (AdjustablePointSelector)d;
owner.OnMaxPointsCountChanged();
}
private static void OnAllowedRegionChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
AdjustablePointSelector owner = (AdjustablePointSelector)d;
owner.OnAllowedRegionChanged();
}