Metadatacopyenum _ETW_BUFFER_STATE { EtwBufferStateFree = 0,/* 0x0 */ EtwBufferStateGeneralLogging = 1,/* 0x1 */ EtwBufferStateCSwitch = 2,/* 0x2 */ EtwBufferStateFlush = 3,/* 0x3 */ EtwBufferStateMaximum = 4,/* 0x4 */};