DTWAIN Duplex Constants
The DTWAIN_GetDuplexType returns one of the following values that denotes the type of duplex that is supported.
DTWAIN Constant
Description
DTWAIN_DX_NONE
No duplexer found.
DTWAIN_DX_1PASSDUPLEX
One pass duplexer
DTWAIN_DX_2PASSDUPLEX
Two pass duplexer