ImageGear for C and C++ on Windows v19.1 - Updated
enumIGTWAINBarcodeSearchModes
API Reference Guide > TWAIN Component API Reference > TWAIN Component Enumerations > enumIGTWAINBarcodeSearchModes

This enumeration restricts barcode searching to certain orientations, or prioritizes one orientation over the other.

Values:

IG_TW_BD_HORZ Horizontal mode.
IG_TW_BD_HORZVERT Horizontal/Vertical mode.
IG_TW_BD_VERT Vertical mode.
IG_TW_BD_VERTHORZ Vertical/Horizontal mode.