//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 WebErrorEvent class. 

    public class SampleWebErrorEvent : WebErrorEvent
    {
        private StringBuilder eventInfo;

        // Invoked in case of events identified 
        // only by their event code.
        public SampleWebErrorEvent(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 SampleWebErrorEvent(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 SampleWebErrorEvent.
        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(
                "** SampleWebErrorEvent Start **");
          
            formatter.AppendLine(eventInfo.ToString());

            formatter.AppendLine(
                "** SampleWebBaseErrorEvent End **");

            formatter.IndentationLevel -= 1;
        }
    }
}