System.Diagnostics.TextWriterTraceListener.Close C# (CSharp) Method

        public override void Close() { }
        protected override void Dispose(bool disposing) { }

        public static void VisualLog(LogLevels loglevel, string type, String ex)
        {
            // create output to console
            TextWriterTraceListener console = new TextWriterTraceListener();
            console.Writer = Console.Out;
            Trace.Listeners.Add(console);
            //output error
            if (System.Diagnostics.Trace.Listeners.Count > 0)
            {
                Trace.Write(new TraceData(loglevel, DateTime.Now, type, ex));
            }
            //close streams
            console.Close();

            if (!ApplicationType.GetApplicationType().Equals(ApplicationType.Type.Console))
            {
                //messagebox
                MessageBoxIcon icon = MessageBoxIcon.None;
                switch (loglevel)
                {
                    case LogLevels.Error:
                        icon = MessageBoxIcon.Error;
                        break;
                    case LogLevels.Warning:
                        icon = MessageBoxIcon.Warning;
                        break;
                    case LogLevels.Info:
                        icon = MessageBoxIcon.Information;
                        break;
                }
                MessageBox.Show(ex, type, MessageBoxButtons.OK, icon);
            }
        }