duplexDefault

Use the printer's default duplex setting.
[read-only property] duplexDefault([out, retval] int *flag)
Specifies the printer driver's default duplex printing mode.

This property is only useful as a value for the duplex property.

VB6:
pdf.duplex = pdf.duplexDefault
duplex
duplexVert
duplexHoriz
simplex
printerSupportsDuplexing
resetParams