ESRI Illumination Properties Class.
|IClone (esriSystem)||Provides access to members that control cloning of objects.|
|IIlluminationProps||Provides access to members that control Illumination Properties.|
|IPersist||Defines the single method GetClassID, which is designed to supply the CLSID of an object that can be stored persistently in the system. IPersist is the base interface for three other interfaces: IPersistStorage, IPersistStream, and IPersistFile.|