This enumeration is used by the PrinterSettings.Duplex property to define the double-sided printing mode. public enum Duplex { Simplex = 1 , Vertical = 2 , Horizontal = 3 , Default = -1 } HierarchySystem.Object System.ValueType System.Enum(System.IComparabl, System.IFormattable , System.IConvertible) Duplex Returned ByPrinterSettings.Duplex Passed ToPrinterSettings.Duplex |