public class PageLayout : WorksheetElement 

public static void PageOrientationAndSetup()
{
  using( var workbook = Workbook.Create(PageLayoutSample.PageLayoutSampleOutputDirectory + @"PageSetup.xlsx"))
    {
      //Gets the first worksheet; a workbook contains at least 1 worksheet.
      var worksheet = workbook.Worksheets[0];
	  
      // Adds a title.
      worksheet.Cells["B1"].Value = "Page Setup";
      worksheet.Cells["B1"].Style.Font = new Font() {Bold = true, Size = 15.5d};
	  
      // Sets the Landscape orientation.
      worksheet.PageLayout.Orientation = OrientationType.Landscape;
	  
      // Adjusts the paper size.
      worksheet.PageLayout.PageSize = PaperSizeType.Executive;
	  
      // Adjusts the scale, which is a percentage.
      worksheet.PageLayout.Scale = 120;

      // Sets various printing options.
      worksheet.PageLayout.BlackAndWhite = true;
      worksheet.PageLayout.DraftQuality = true;
      worksheet.PageLayout.GridLines = true;
      worksheet.PageLayout.Headings = true;
      worksheet.PageLayout.HorizontalCentered = true;
      worksheet.PageLayout.VerticalCentered = true;

      // Saves the workbook to disk.
      workbook.Save();
      Console.WriteLine( "/tCreated: PageSetup.xlsx/n" );
    }
}