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

This enumeration reports the kinds of power available to the device.

Values:

IG_TW_PS_BATTERY Battery supply.
IG_TW_PS_EXTERNAL External supply.