private static void initializeShadow(DependencyObject i, double?value, ShadowDirection direction, bool allowShadows)
{
var uiElement = i as UIElement;
if (uiElement != null && value.HasValue)
{
if (!allowShadows)
{
uiElement.Effect = null;
return;
}
if (value.Value >= 0)
{
if (value == 0)
{
uiElement.Effect = null;
}
else
{
var shadow = ShadowInterpolator.Interpolate(value.Value, direction);
uiElement.Effect = shadow;
}
}
}
}
