Printer.Duplex (gb.qt4)
Property Duplex As Integer
Return or set the printing duplex mode.
This property can take one of the following values:
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Printer.Simplex
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Single sided (simplex) printing only.
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Printer.Horizontal
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Both sides of each sheet of paper are used for printing. The paper is turned over its horizontal edge.
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| 
Printer.Vertical
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Both sides of each sheet of paper are used for printing. The paper is turned over its vertical edge.
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