EventLogEntry Class
.NET Framework 2.0
Encapsulates a single record in the event log. This class cannot be inherited.
Namespace: System.Diagnostics
Assembly: System (in system.dll)
Assembly: System (in system.dll)
'Declaration <SerializableAttribute> _ Public NotInheritable Class EventLogEntry Inherits Component Implements ISerializable 'Usage Dim instance As EventLogEntry
/** @attribute SerializableAttribute() */ public final class EventLogEntry extends Component implements ISerializable
SerializableAttribute public final class EventLogEntry extends Component implements ISerializable
You usually will not create instances of EventLogEntry directly when working with the EventLog class. The Entries member of the EventLog class contains a collection of EventLogEntry instances, which you iterate over when reading by using the EventLogEntryCollection.Item class index member.
Windows 98, Windows Millennium Edition Platform Note: Event logs are not supported on Windows 98/Windows Millennium.
Imports System Imports System.Diagnostics Class MyEventlogClass Public Shared Sub Main() Dim myEventType As String = Nothing ' Associate the instance of 'EventLog' with local System Log. Dim myEventLog As New EventLog("System", ".") Console.WriteLine("1:Error") Console.WriteLine("2:Information") Console.WriteLine("3:Warning") Console.WriteLine("Select the Event Type") Dim myOption As Integer = Convert.ToInt32(Console.ReadLine()) Select Case myOption Case 1 myEventType = "Error" Case 2 myEventType = "Information" Case 3 myEventType = "Warning" Case Else End Select Dim myLogEntryCollection As EventLogEntryCollection = myEventLog.Entries Dim myCount As Integer = myLogEntryCollection.Count ' Iterate through all 'EventLogEntry' instances in 'EventLog'. Dim i As Integer For i = myCount - 1 To -1 Step -1 Dim myLogEntry As EventLogEntry = myLogEntryCollection(i) ' Select the entry having desired EventType. If myLogEntry.EntryType.ToString().Equals(myEventType) Then ' Display Source of the event. Console.WriteLine(myLogEntry.Source + " was the source of last "& _ "event of type " & myLogEntry.EntryType.ToString()) Return End If Next i End Sub 'Main End Class 'MyEventlogClass
import System.*;
import System.Diagnostics.*;
class MyEventlogClass
{
public static void main(String[] args)
{
String myEventType = null;
// Associate the instance of 'EventLog' with local System Log.
EventLog myEventLog = new EventLog("System", ".");
Console.WriteLine("1:Error");
Console.WriteLine("2:Information");
Console.WriteLine("3:Warning");
Console.WriteLine("Select the Event Type");
int myOption = Convert.ToInt32(Console.ReadLine());
switch (myOption) {
case 1:
myEventType = "Error";
break;
case 2:
myEventType = "Information";
break;
case 3:
myEventType = "Warning";
break;
default:
break;
}
EventLogEntryCollection myLogEntryCollection = myEventLog.get_Entries();
int myCount = myLogEntryCollection.get_Count();
// Iterate through all 'EventLogEntry' instances in 'EventLog'.
for (int i = myCount - 1; i > 0; i--) {
EventLogEntry myLogEntry = myLogEntryCollection.get_Item(i);
// Select the entry having desired EventType.
if (myLogEntry.get_EntryType().ToString().Equals(myEventType)) {
// Display Source of the event.
Console.WriteLine(myLogEntry.get_Source()
+ " was the source of last event of type "
+ myLogEntry.get_EntryType());
return;
}
}
} //main
} //MyEventlogClass
System.Object
System.MarshalByRefObject
System.ComponentModel.Component
System.Diagnostics.EventLogEntry
System.MarshalByRefObject
System.ComponentModel.Component
System.Diagnostics.EventLogEntry
Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.
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