fCraft.BuildingCommands.ReplaceHandlerInternal C# (CSharp) Method

        private static void ReplaceHandlerInternal( IBrush factory, Player player, Command cmd )
        {
            CuboidDrawOperation op = new CuboidDrawOperation( player );
            IBrushInstance brush = factory.MakeInstance( player, cmd, op );
            if ( brush == null )
                return;
            op.Brush = brush;

            player.SelectionStart( 2, DrawOperationCallback, op, Permission.Draw );
            player.MessageNow( "{0}: Click 2 blocks or use &H/Mark&S to make a selection.",
                               op.Brush.InstanceDescription );
        }