Reviewed March 2011

//DUPLEX, mode

This printing directive specifies which of the three types of duplexing will be used. The possible values, along with their several aliases, are shown in the following table.

Value	Aliases
Horizontal	Horz, H, Short, S, 3
Vertical	Vert, V, Long, L, 2
None	Off, False

 

DUPLEX is one of the GDI printing directives with a Printer Init File Equivalent.