fCraft.BuildingCommands.TreeCallback C# (CSharp) Method

        private static void TreeCallback( Player player, Vector3I[] marks, object tag )
        {
            ForesterArgs args = ( ForesterArgs )tag;
            int blocksPlaced = 0, blocksDenied = 0;
            UndoState undoState = player.DrawBegin( null );
            args.BlockPlacing +=
                ( sender, e ) =>
               DrawOneBlock( player, player.World.Map, e.Block, new Vector3I( e.Coordinate.X, e.Coordinate.Y, e.Coordinate.Z ),
                              BlockChangeContext.Drawn,
                              ref blocksPlaced, ref blocksDenied, undoState );
            Forester.SexyPlant( args, marks[0] );
            DrawingFinished( player, "/Tree: Planted", blocksPlaced, blocksDenied );
        }