/// <summary>
/// Updates the series when the start or end angle changes.
/// </summary>
/// <param name="d">The Dependency Object</param>
/// <param name="e">The Event Arguments</param>
private static void OnAngleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
CircularSeriesBase3D series = d as CircularSeriesBase3D;
if (series != null)
{
series.UpdateArea();
}
}
