fCraft.DrawCommands.UndoAreaSelectionCallback C# (CSharp) Method

        static void UndoAreaSelectionCallback([NotNull] Player player, [NotNull] Vector3I[] marks, [NotNull] object tag) {
            BlockDBUndoArgs args = (BlockDBUndoArgs)tag;
            args.Area = new BoundingBox(marks[0], marks[1]);
            Scheduler.NewBackgroundTask(UndoAreaLookup)
                     .RunOnce(args, TimeSpan.Zero);
        }