Enum EventLevel Path C++ Link System.Diagnostics.Tracing.EventLevel, mscorlib underlying int32 mscorlib.dll Values 6 NameValueHex LogAlways00x00Critical10x01Error20x02Warning30x03Informational40x04Verbose50x05 Used by 3types with a member, parameter or interface of this type EventAttributeEventListenerEventSource // System.Diagnostics.Tracing.EventLevel, mscorlib enum class EventLevel : int32 { LogAlways = 0, Critical = 1, Error = 2, Warning = 3, Informational = 4, Verbose = 5, };