Enum ActivityIdFormat Path C++ Link System.Diagnostics.ActivityIdFormat, System.Diagnostics.DiagnosticSource underlying int32 System.Diagnostics.DiagnosticSource.dll Values 3 NameValueHex Unknown00x00Hierarchical10x01W3C20x02 Used by 4types with a member, parameter or interface of this type ActivityActivityCreationOptions`1ActivityCreationOptions`1ActivityCreationOptions`1 // System.Diagnostics.ActivityIdFormat, System.Diagnostics.DiagnosticSource enum class ActivityIdFormat : int32 { Unknown = 0, Hierarchical = 1, W3C = 2, };