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

This enumeration determines the device event.

Values:

IG_TW_DE_CHECKAUTOMATICCAPTURE The automatic capture settings on the device have been changed by the user.
IG_TW_DE_CHECKBATTERY The status of the battery has changed.
IG_TW_DE_CHECKDEVICEONLINE The device has been turned off and on.
IG_TW_DE_CHECKFLASH The flash setting on the device has been changed by the user.
IG_TW_DE_CHECKPOWERSUPPLY The power supply has been changed.
IG_TW_DE_CHECKRESOLUTION The x/y resolution setting on the device has been changed by the user.
IG_TW_DE_CUSTOMEVENTS Baseline for events specific to a given Source.
IG_TW_DE_DEVICEADDED The user has added a device (for instance a memory card in a digital camera).
IG_TW_DE_DEVICEOFFLINE A device has become unavailable, but has not been removed.
IG_TW_DE_DEVICEREADY The device is ready to capture an image.
IG_TW_DE_DEVICEREMOVED The user has removed a device.
IG_TW_DE_IMAGECAPTURED The user has captured an image to the device's internal storage.
IG_TW_DE_IMAGEDELETED The user has removed an image from the device's internal storage.
IG_TW_DE_LAMPFAILURE The device's light source has failed.
IG_TW_DE_PAPERDOUBLEFEED Two or more sheets of paper have been fed together.
IG_TW_DE_PAPERJAM The device's document feeder has jammed.
IG_TW_DE_POWERSAVE The device has powered down to save energy.
IG_TW_DE_POWERSAVENOTIFY The device is about to power down to save energy.