PageSetup.Order procedure builder

PageSetup.Order (Excel)

Returns or sets an XlOrder value that represents the order that Microsoft Excel uses to number pages when printing a large worksheet.

xlDownThenOver - Process down the rows before processing across pages or page fields to the right, xlOverThenDown - Process across pages or page fields to the right before moving down the rows.
ActiveChart.PageSetup.Order = xlDownThenOver