The version field of a draw context structure (of type TQADrawContext ) specifies the current version of QuickDraw 3D RAVE. This field contains one of these constants:
typedef enum TQAVersion {
kQAVersion_Prerelease = 0,
kQAVersion_1_0 = 1,
kQAVersion_1_0_5 = 2,
kQAVersion_1_1 = 3
} TQAVersion;