System.Diagnostics.TraceListener.Close C# (CSharp) 메소드

        public virtual void Close() 
        {
            return;
        }

 public static void AddTraceListener(TraceListener listener)
 {
     Debug.Listeners.Add(listener);
     AppDomain.CurrentDomain.ProcessExit += delegate (object sender, EventArgs ee)
     {
         Debug.Flush();
         Trace.Flush();
         Debug.Listeners.Remove(listener);
         Trace.Listeners.Remove(listener);
         listener.Close();
     };
 }