/// <summary>
/// Updates the Perspective shadow.
/// </summary>
/// <param name="dependencyObject">The Perspective shadow border.</param>
/// <param name="eventArgs">Dependency Property Changed Event Args</param>
private static void PerspectiveShadowSpread_Changed(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs eventArgs)
{
PerspectiveShadowBorder perspectiveShadowBorder = (PerspectiveShadowBorder)dependencyObject;
perspectiveShadowBorder.UpdateStops(new Size(perspectiveShadowBorder.ActualWidth, perspectiveShadowBorder.ActualHeight));
}
