private static void OnAlphaPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
PointerPositionSpotLight l = d as PointerPositionSpotLight;
if (l?._Light != null)
{
byte alpha = e.NewValue.To <byte>();
Color color = l._Light.InnerConeColor;
color.A = alpha;
l._Light.InnerConeColor = l._Light.OuterConeColor = color;
}
}
private static void OnShadePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
PointerPositionSpotLight l = d as PointerPositionSpotLight;
if (l?._Light != null)
{
byte shade = e.NewValue.To <byte>();
Color color = new Color
{
A = l.Alpha,
R = shade,
G = shade,
B = shade
};
l._Light.InnerConeColor = l._Light.OuterConeColor = color;
}
}
