private static void TracingStatusChangedHandler(object sender, WFD.TracingStatusChangedEventArgs args)
 {
     if (args.Enabled)
     {
         f_LoggingOn |= Loggers.CausalityTracer;
     }
     else
     {
         f_LoggingOn &= ~Loggers.CausalityTracer;
     }
 }
 private static void TracingStatusChangedHandler(Object sender, WFD.TracingStatusChangedEventArgs args)
 {
     f_LoggingOn = args.Enabled;
 }