const (
Error int = -1
ErrorBadValue int = -2
ErrorDeadObject int = -6
ErrorInvalidOperation int = -3
ReadBlocking int = 0
ReadNonBlocking int = 1
RecordstateRecording int = 3
RecordstateStopped int = 1
StateInitialized int = 1
StateUninitialized int = 0
Success int = 0
)