//引入命名空间
using System;
using System.Text;
using System.Web;
using System.Web.Management;

namespace Samples.AspNet.Management
{
  // Implements a custom WebRequestErrorEvent class. 
    public class SampleWebRequestErrorEvent : 
        WebRequestErrorEvent
    {
        private StringBuilder eventInfo;

        // Invoked in case of events 
        // identified only by their event code.
        public SampleWebRequestErrorEvent(string msg, 
            object eventSource, int eventCode, 
            Exception e):
          base(msg, eventSource, eventCode, e)
        {
            // Perform custom initialization.
            eventInfo = new StringBuilder();
            eventInfo.Append(string.Format(
                "Event created at: ", EventTime.ToString()));
        }

        // Invoked in case of events identified 
        // by their event code.and related event 
        // detailed code.
        public SampleWebRequestErrorEvent(
            string msg, object eventSource, 
            int eventCode, int detailedCode, 
            Exception e):
          base(msg, eventSource, 
            eventCode, detailedCode, e)
        {
            // Perform custom initialization.
            eventInfo = new StringBuilder();
            eventInfo.Append(string.Format(
                "Event created at: ", EventTime.ToString()));
        }


        // Raises the SampleWebRequestErrorEvent.
        public override void Raise()
        {
            // Perform custom processing. 
            eventInfo.Append(string.Format(
                "Event raised at: ", EventTime.ToString()));
            // Raise the event.
            base.Raise();
        }

        // Obtains the current request information.
        public string GetRequestInfo()
        {
            string reqInfo = GetRequestInfo();
            return reqInfo;
        }

        // Obtains the current thread information.
        public string GetThreadInfo()
        {
            string threadInfo = GetThreadInfo();
            return threadInfo;
        }

        // Obtains the current process information.
        public string GetProcessInfo()
        {
            string procInfo = GetProcessInfo();
            return procInfo;
        }

        //Formats Web request event information.
        public override void FormatCustomEventDetails(
               WebEventFormatter formatter)
        {
            base.FormatCustomEventDetails(formatter);

            // Add custom data.
            formatter.AppendLine("");

            formatter.IndentationLevel += 1;
            formatter.AppendLine(
                "** SampleWebRequestEvent Start **");

            // Add custom data.
            formatter.AppendLine(eventInfo.ToString());

            formatter.AppendLine(
                      "** SampleWebRequestEvent End **");
        }
    }
}