static void Fill3DConfirmCallback([NotNull] Player player, [NotNull] object tag, bool fromConsole) {
if (player == null) throw new ArgumentNullException("player");
if (tag == null) throw new ArgumentNullException("tag");
Fill3DDrawOperation op = (Fill3DDrawOperation)tag;
player.Message("{0}: Filling in a {1}x{2}x{3} area...",
op.Description,
op.Bounds.Width,
op.Bounds.Length,
op.Bounds.Height);
op.Begin();
}