Gambas Documentation - /comp/gb.qt4/printer/duplex

# Printer.Duplex (gb.qt4)

Property Duplex As Integer

Return or set the printing duplex mode.

This property can take one of the following values:

Printer.Simplex | Single sided (simplex) printing only.
Printer.Horizontal | Both sides of each sheet of paper are used for printing. The paper is turned over its horizontal edge.
Printer.Vertical | Both sides of each sheet of paper are used for printing. The paper is turned over its vertical edge.