MirrorMargins Property Example
This example sets the inside margins in the active document to 1 inch (72 points) and the outside margins to 0.5 inch. The InchesToPoints method is used to convert inches to points.
With ActiveDocument.PageSetup
.MirrorMargins = True
.LeftMargin = 72
.RightMargin = InchesToPoints(0.5)
End With