Anonymous Declarationenum : unsigned int { ... }; TopicsConstantskHIDUsage_VR_AnimatronicDevicekHIDUsage_VR_BeltkHIDUsage_VR_BodySuitkHIDUsage_VR_DisplayEnablekHIDUsage_VR_FlexorkHIDUsage_VR_GlovekHIDUsage_VR_HandTrackerkHIDUsage_VR_HeadMountedDisplaykHIDUsage_VR_HeadTrackerkHIDUsage_VR_OculometerkHIDUsage_VR_ReservedkHIDUsage_VR_StereoEnablekHIDUsage_VR_Vest