Initializes a new instance of the EventLog class. Does not associate the instance with any log.
Assembly: System (in System.dll)
If you do not specify a MachineName, the local computer (".") is assumed.
The following table shows initial property values for an instance of EventLog.
The following example creates the source MySource if it does not already exist, and writes an entry to the event log MyNewLog.
Option Explicit Option Strict Imports System Imports System.Diagnostics Imports System.Threading Class MySample Public Shared Sub Main() If Not EventLog.SourceExists("MySource") Then ' Create the source, if it does not already exist. ' An event log source should not be created and immediately used. ' There is a latency time to enable the source, it should be created ' prior to executing the application that uses the source. ' Execute this sample a second time to use the new source. EventLog.CreateEventSource("MySource", "MyNewLog") Console.WriteLine("CreatingEventSource") 'The source is created. Exit the application to allow it to be registered. Return End If ' Create an EventLog instance and assign its source. Dim myLog As New EventLog() myLog.Source = "MySource" ' Write an informational entry to the event log. myLog.WriteEntry("Writing to event log.") End Sub 'Main End Class 'MySample
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.