C# - Form FadeOut

/// <summary>
/// Fading out a form. It's just a nice effect. Call in the OnFormClosing event.
/// </summary>
/// <param name="FormToFadeOut">The form to close.</param>
public static void FadeOutForm(Form FormToFadeOut)
{
   float Step = (float)(100f / 20);
   float Opacity = 100f;
   for (byte b = 0; b < 10; b++)
   {
      FormToFadeOut.Opacity = Opacity / 100;
      FormToFadeOut.Refresh();
      Opacity -= Step;
   }
}