private static void SetEnableCircularTraceSessionHelper(bool enableCircularTraceSession, string machineName) { using (var pin = new PinCollection()) { if (string.IsNullOrEmpty(machineName)) { NativeCommon.FabricSetEnableCircularTraceSession(enableCircularTraceSession); } else { NativeCommon.FabricSetEnableCircularTraceSession2(enableCircularTraceSession, pin.AddBlittable(machineName)); } } }