EventLog.EnableRaisingEvents EventLog.EnableRaisingEvents EventLog.EnableRaisingEvents EventLog.EnableRaisingEvents Property


Gets or sets a value indicating whether the EventLog receives EntryWritten event notifications.

 property bool EnableRaisingEvents { bool get(); void set(bool value); };
public bool EnableRaisingEvents { get; set; }
member this.EnableRaisingEvents : bool with get, set
Public Property EnableRaisingEvents As Boolean

Property Value

true if the EventLog receives notification when an entry is written to the log; otherwise, false.



The following example handles an EntryWritten event.

#using <System.dll>

using namespace System;
using namespace System::Diagnostics;
using namespace System::Threading;
ref class MySample
   static void MyOnEntryWritten( Object^ /*source*/, EntryWrittenEventArgs^ e )
      Console::WriteLine( "Written: {0}", e->Entry->Message );


int main()
   EventLog^ myNewLog = gcnew EventLog;
   myNewLog->Log = "MyCustomLog";
   myNewLog->EntryWritten += gcnew EntryWrittenEventHandler( MySample::MyOnEntryWritten );
   myNewLog->EnableRaisingEvents = true;
   Console::WriteLine( "Press \'q\' to quit." );
   // Wait for the EntryWrittenEvent or a quit command.
   while ( Console::Read() != 'q' )
      // Wait.

using System;
using System.Diagnostics;
using System.Threading;
class MySample{

    public static void Main(){
        EventLog myNewLog = new EventLog();
        myNewLog.Log = "MyCustomLog";                      
        myNewLog.EntryWritten += new EntryWrittenEventHandler(MyOnEntryWritten);
        myNewLog.EnableRaisingEvents = true;
        Console.WriteLine("Press \'q\' to quit.");
        // Wait for the EntryWrittenEvent or a quit command.
        while(Console.Read() != 'q'){
            // Wait.

    public static void MyOnEntryWritten(Object source, EntryWrittenEventArgs e){
        Console.WriteLine("Written: " + e.Entry.Message);

Option Strict
Option Explicit

Imports System
Imports System.Diagnostics
Imports System.Threading

Class MySample
    Public Shared Sub Main()
        Dim myNewLog As New EventLog()
        myNewLog.Log = "MyCustomLog"
        AddHandler myNewLog.EntryWritten, AddressOf MyOnEntryWritten
        myNewLog.EnableRaisingEvents = True
        Console.WriteLine("Press 'q' to quit.")
        ' Wait for the EntryWrittenEvent or a quit command.
        While Char.ToLower(Convert.ToChar(Console.Read()))<>"q"
            ' Wait.
        End While 
    End Sub ' Main
    Public Shared Sub MyOnEntryWritten(source As Object, e As EntryWrittenEventArgs)
        Console.WriteLine(("Written: " + e.Entry.Message))
    End Sub ' MyOnEntryWritten
End Class ' MySample


The EnableRaisingEvents property determines whether the EventLog raises events when entries are written to the log. When the property is true, components that receive the EntryWritten event will receive notification any time an entry is written to the log that is specified in the Log property. If EnableRaisingEvents is false, no events are raised.


You can receive event notifications only when entries are written on the local computer. You cannot receive notifications for entries written on remote computers.


for writing the event log information on the computer. Associated enumeration: Write

Applies to

See also