enum AcisDataType { kUndefinedDataType = 0, kSurfaceExtrude_CMark = 24, kSphere_CMark = 25, kRevolvedSurface_CMark = 26, kSolidExtrude_CMark = 27, kSphereSlice_CMark = 43, kRevolvedSurface_CMark_Any = 53, kPlaneSurface_CLine = 54, kSolidExtrude_CLCM = 55, kPlaneSurface_CLine56 = 56, kLoftedSurface_CLine58 = 58, kLoftedSurface_CLine60 = 60, kSolidBox_CLine = 61, kExtendCL = 62, kExtrudeSurface_TopOrBottom_CLine = 64, kExtrudeSurface_Side_CLine = 65 };