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enumIGTWAINDuplex
API Reference Guide > TWAIN Component API Reference > TWAIN Component Enumerations > enumIGTWAINDuplex

This enumeration determines whether the scanner supports duplex.

Values:

IG_TW_DX_1PASSDUPLEX One duplex is supported.
IG_TW_DX_2PASSDUPLEX Two duplex is supported.
IG_TW_DX_NONE No duplex support.