ImageGear for C and C++ on Windows v21.0 - Updated
API Reference Guide / TWAIN Component API Reference / TWAIN Component Enumerations / enumIGTWAINLightSource
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    enumIGTWAINLightSource
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    This enumeration determines the general color characteristic of the light source used to acquire the image.

    Values:

    IG_TW_LS_BLUE Blue
    IG_TW_LS_GREEN Green
    IG_TW_LS_IR IR
    IG_TW_LS_NONE None
    IG_TW_LS_RED Red
    IG_TW_LS_UV UV
    IG_TW_LS_WHITE White