ImageGear for C and C++ on Windows v19.10 - Updated
enumIGLayerType
API Reference Guide > Core Component API Reference > Core Component Enumerations Reference > enumIGLayerType

This enumeration specifies the currently supported types of layers.

IG_LAYER_TYPE_IMAGE Image layer type.
IG_LAYER_TYPE_UNKNOWN Unknown (unrecognized by ImageGear) layer type.