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

namespace SamplesAspNet
{
    // Implements a custom WebBaseEvent type that 
    // uses WebProcessInformation.
    public class SampleWebProcessInformation: 
        WebManagementEvent
    {
        private StringBuilder eventInfo;
        // Instantiate SampleWebProcessInformation.    
        public SampleWebProcessInformation(string msg, 
            object eventSource, int eventCode) : 
        base(msg, eventSource, eventCode)
        {
            // Perform custom initialization.
            eventInfo = new StringBuilder();
            eventInfo.Append(string.Format(
            "Event created at: {0}", 
            EventTime.ToString()));
        }   

        // Raises the event.
        public override void Raise()
        {
            // Perform custom processing. 
            eventInfo.Append(string.Format(
            "Event raised at: {0}", 
            EventTime.ToString()));

            // Raise the event.
            base.Raise();
        }

        public string GetAccountName()
        {
            // Get the name of the account.
            return (string.Format(
                "Account name: {0}", 
                ProcessInformation.AccountName));
        }

        public string GetProcessId()
        {
            // Get the process identifier.
            return (string.Format(
                "Process Id: {0}", 
                ProcessInformation.ProcessID.ToString()));
        }

        public string GetProcessName()
        {
            // Get the requests in execution.
            return (string.Format(
                "Process name: {0}", 
                ProcessInformation.ProcessName));
        }

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

            // Add custom data.
            formatter.AppendLine("Custom Process Information:");
            formatter.IndentationLevel += 1;

            // Display the process information.
            formatter.AppendLine(GetAccountName());
            formatter.AppendLine(GetProcessId());
            formatter.AppendLine(GetProcessName());
            formatter.IndentationLevel -= 1;
            formatter.AppendLine(eventInfo.ToString());
        }
    }
}