System.Diagnostics.XmlWriterTraceListener.WriteStartHeader C# (CSharp) Method

        private void WriteStartHeader(String source, TraceEventType eventType, int id, TraceEventCache eventCache) {
            InternalWrite(fixedHeader);

            InternalWrite("<EventID>");
            InternalWrite(((uint)id).ToString(CultureInfo.InvariantCulture));
            InternalWrite("</EventID>");

            InternalWrite("<Type>3</Type>");

            InternalWrite("<SubType Name=\"");
            InternalWrite(eventType.ToString());
            InternalWrite("\">0</SubType>");

            InternalWrite("<Level>");
            int sev = (int)eventType;
            if (sev > 255)
                sev = 255;
            if (sev < 0)
                sev = 0;
            InternalWrite(sev.ToString(CultureInfo.InvariantCulture));
            InternalWrite("</Level>");
            
            InternalWrite("<TimeCreated SystemTime=\"");
            if (eventCache != null)
                InternalWrite(eventCache.DateTime.ToString("o", CultureInfo.InvariantCulture));
            else
                InternalWrite(DateTime.Now.ToString("o", CultureInfo.InvariantCulture));
            InternalWrite("\" />");

            InternalWrite("<Source Name=\"");
            WriteEscaped(source);
            InternalWrite("\" />");

            InternalWrite("<Correlation ActivityID=\"");
            if (eventCache != null)
                InternalWrite(eventCache.ActivityId.ToString("B"));
            else
                InternalWrite(Guid.Empty.ToString("B"));
        }