ImageGear for C and C++ on Windows v20.0 - Updated
enumIGTWAINLightPath
API Reference Guide > TWAIN Component API Reference > TWAIN Component Enumerations > enumIGTWAINLightPath

Specifies light path types. Used with ICAP_LIGHTPATH TWAIN capability.

Values:

IG_TW_LP_REFLECTIVE Light path is reflective. Reflective scanning is used for normal (paper) scanning.
IG_TW_LP_TRANSMISSIVE Light path is transmissive. Transmissive scanning is required if scanning films or transparencies.

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