System.Diagnostics.DefaultTraceListener.WriteLine C# (CSharp) Method

        public override void WriteLine(string message) { }
        public bool AssertUiEnabled { get { throw null; } set { } }

 private static void LogWrite(TraceEventType severity, string message)
 {
     if (Logger == null)
     {
         using (var listener = new System.Diagnostics.DefaultTraceListener())
             listener.WriteLine($"{severity.ToString()}: {message}");
     }
     else
     {
         Logger(severity, message);
     }
 }