place content in the center of pdf

Sub ConvertPDFCenter()

Dim workPath
workPath = ThisWorkbook.Path
With ActiveSheet.PageSetup
.LeftMargin = Application.InchesToPoints(0.708661417322835)
.RightMargin = Application.InchesToPoints(0.708661417322835)
.TopMargin = Application.InchesToPoints(0.748031496062992)
.BottomMargin = Application.InchesToPoints(0.748031496062992)
.HeaderMargin = Application.InchesToPoints(0.31496062992126)
.FooterMargin = Application.InchesToPoints(0.31496062992126)
.PrintHeadings = False
.PrintGridlines = False
.PrintComments = xlPrintNoComments
.PrintQuality = 600
.CenterHorizontally = True
.CenterVertically = False
.Orientation = xlPortrait
.Draft = False
.PaperSize = xlPaperA4
.FirstPageNumber = xlAutomatic
.Order = xlDownThenOver
.BlackAndWhite = False
.Zoom = 100
.PrintErrors = xlPrintErrorsDisplayed
.OddAndEvenPagesHeaderFooter = False
.DifferentFirstPageHeaderFooter = False
.ScaleWithDocHeaderFooter = True
.AlignMarginsHeaderFooter = True
End With

Range("A1:D16").ExportAsFixedFormat Type:=xlTypePDF, Filename:= _
workPath & "\t.pdf", Quality:= _
xlQualityStandard, IncludeDocProperties:=True, IgnorePrintAreas:=False, _
OpenAfterPublish:=True
End Sub

ActiveWindow.View = xlPageBreakPreview
ActiveSheet.VPageBreaks(1).DragOff Direction:=xlToRight, RegionIndex:=1