WebApplicationInformation 類別

定義

public ref class WebApplicationInformation sealed

public sealed class WebApplicationInformation

type WebApplicationInformation = class

Public NotInheritable Class WebApplicationInformation

繼承

Object

WebApplicationInformation

範例

下列程式碼範例有兩個部分。 第一個部分是組態檔的摘錄，可讓 ASP.NET 使用自訂事件。 第二個示範如何使用 類別建立該自訂事件 WebApplicationInformation 。

請確定您的自訂事件會在適當的時間引發，也就是說，當相等的系統健康情況事件引發時，就會引發它所取代的事件。

<healthMonitoring   
  enabled="true" heartBeatInterval="0">  

  <eventMappings>   
    <add name="SampleApplicationInformation"   
        type="SamplesAspNet.SampleWebApplicationInformation, webapplicationinformation, Version=1.0.1585.27289, Culture=neutral, PublicKeyToken=3648e5c763a8239f, processorArchitecture=MSIL"/>   
  </eventMappings>  

  <rules>   
    <add name="Custom Application Information"  
      eventName="SampleApplicationInformation"   
      provider="EventLogProvider"    
      profile="Default"/>   
</rules>  

</healthMonitoring>  

using System;
using System.Text;
using System.Web;
using System.Web.Management;

namespace SamplesAspNet
{
    // Implements a custom WebBaseEvent that uses
    // WebApplicationInformation.
    public class SampleWebApplicationInformation :
        WebBaseEvent
    {
        private StringBuilder eventInfo;

        // Instantiate SampleWebGet    
        public SampleWebApplicationInformation(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 GetApplicationDomain()
        {
            // Get the name of the application domain.
            return (string.Format(
                "Application domain: {0}",
                ApplicationInformation.ApplicationDomain));
        }
        public string GetApplicationPath()
        {
            // Get the name of the application  path.
            return (string.Format(
                "Application path: {0}",
                ApplicationInformation.ApplicationPath));
        }
        public string GetApplicationVirtualPath()
        {
            // Get the name of the application virtual path.
            return (string.Format(
                "Application virtual path: {0}",
                ApplicationInformation.ApplicationVirtualPath));
        }
        public string GetApplicationMachineName()
        {
            // Get the name of the application machine name.
            return (string.Format(
                "Application machine name: {0}",
                ApplicationInformation.MachineName));
        }
        public string GetApplicationTrustLevel()
        {
            // Get the name of the application trust level.
            return (string.Format(
                "Application trust level: {0}",
                ApplicationInformation.TrustLevel));
        }
        //Formats Web request event information.
        public override void FormatCustomEventDetails(
            WebEventFormatter formatter)
        {
            base.FormatCustomEventDetails(formatter);

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

            // Display the application information.
            formatter.AppendLine(GetApplicationDomain());
            formatter.AppendLine(GetApplicationPath());
            formatter.AppendLine(GetApplicationVirtualPath());
            formatter.AppendLine(GetApplicationMachineName());
            formatter.AppendLine(GetApplicationTrustLevel());
            formatter.IndentationLevel -= 1;
            formatter.AppendLine(eventInfo.ToString());
        }
    }
}

Imports System.Text
Imports System.Web
Imports System.Web.Management


'Implements a custom WebBaseEvent that uses
' WebApplicationInformation. 
Public Class SampleWebApplicationInformation
    Inherits WebBaseEvent
    Private eventInfo As StringBuilder


    ' Instantiate SampleWebGet    
    Public Sub New(ByVal msg As String, _
    ByVal eventSource As Object, _
    ByVal eventCode As Integer)
        MyBase.New(msg, eventSource, eventCode)
        ' Perform custom initialization.
        eventInfo = New StringBuilder()
        eventInfo.Append(String.Format( _
        "Event created at: {0}", EventTime.ToString()))
    End Sub


    ' Raises the event.
    Public Overrides Sub Raise()
        ' Perform custom processing. 
        eventInfo.Append(String.Format( _
        "Event raised at: {0}", EventTime.ToString()))

        ' Raise the event.
        MyBase.Raise()
    End Sub

    Public Function GetApplicationDomain() As String
        ' Get the name of the application domain.
        Return String.Format( _
        "Application domain: {0}", _
        ApplicationInformation.ApplicationDomain)
    End Function 'GetApplicationDomain

    Public Function GetApplicationPath() As String
        ' Get the name of the application  path.
        Return String.Format( _
        "Application path: {0}", _
        ApplicationInformation.ApplicationPath())
    End Function 'GetApplicationPath

    Public Function GetApplicationVirtualPath() As String
        ' Get the name of the application virtual path.
        Return String.Format( _
        "Application virtual path: {0}", _
        ApplicationInformation.ApplicationVirtualPath())
    End Function 'GetApplicationVirtualPath

    Public Function GetApplicationMachineName() As String
        ' Get the name of the application machine name.
        Return String.Format( _
        "Application machine name: {0}", _
        ApplicationInformation.MachineName())
    End Function 'GetApplicationMachineName

    Public Function GetApplicationTrustLevel() As String
        ' Get the name of the application trust level.
        Return String.Format( _
        "Application trust level: {0}", _
        ApplicationInformation.TrustLevel())
    End Function 'GetApplicationTrustLevel

    'Formats Web request event information.
    Public Overrides Sub FormatCustomEventDetails( _
 _
     ByVal formatter As WebEventFormatter)
        MyBase.FormatCustomEventDetails(formatter)

        ' Add custom data.
        formatter.AppendLine( _
        "Custom Application Information:")
        formatter.IndentationLevel += 1

        ' Display the application information.
        formatter.AppendLine(GetApplicationDomain())
        formatter.AppendLine(GetApplicationPath())
        formatter.AppendLine(GetApplicationVirtualPath())
        formatter.AppendLine(GetApplicationMachineName())
        formatter.AppendLine(GetApplicationTrustLevel())
        formatter.IndentationLevel -= 1
        formatter.AppendLine(eventInfo.ToString())
    End Sub
End Class

備註

ASP.NET 健康情況監視可讓生產與作業人員管理已部署的 Web 應用程式。 System.Web.Management命名空間包含負責封裝應用程式健康狀態資料的健全狀況事件種類，以及負責處理此資料的提供者類型。 它也包含支援類型，可協助管理健康情況事件。

類別的 WebApplicationInformation 實例包含使用衍生自 WebManagementEvent 型別的任何類型取得的資訊。

您的應用程式需要適當的許可權，才能存取此類型所提供的受保護資訊。

以下是組態檔的摘錄，可用來啟用 ASP.NET 記錄包含應用程式資訊的錯誤事件。

<healthMonitoring   
  enabled="true" heartBeatInterval="0">  

    <rules>  
     <add   
       name="All Errors Default"  
       eventName="All Errors"  
       provider="EventLogProvider"  
       profile="Default"  
       minInterval="00:01:00" />  
    </rules>  

</healthMonitoring>  

屬性

方法

適用於

另請參閱

• WebHeartbeatEvent
• ASP.NET 健全狀況監視概觀