Easily write to the Windows Event Log
This module allows you to write text to the Windows Event Log with with a single method call. Includes options for Type, Source, Category, and Event.
Usage
LogEvent([Applicaiton Name], [EventLog Type], [Msg to be logged], [Optional Event ID], [Optional Category Number])
Example
Dim ret as Long
ret = LogEvent("TestApp1", EVENTLOG_SUCCESS, "Success event!!!!")
Code
Copy the entire code below into a VB Module. You can then add the module to a project and use a single function to write to the Event Viewer.
'******************************************************************
'Information compiled from MSDN Articles on Platform SDK: Debugging and Error Handling
'MSDN Home > MSDN Library > SDK Documentation > Event Logging > _
' Event Logging Reference > Event Logging Functions
'
'FUNCTIONS:
'Public Function LogEvent(strSource As String, dEventType As Long, _
' strError As String, Optional iEventID As Integer = 26, _
' Optional iCategory As Integer = 26) As Long
'
' returns nonzero for success otherwize zero for fail
'
'Module by Antonio Zavala, antonio.zavala@usaa.com
'United Services Automobile Association, 10/2002
'******************************************************************
Private Declare Function RegisterEventSource Lib "advapi32" Alias _
"RegisterEventSourceA" (ByVal lpUNCServerName As String, ByVal lpSourceName As String) As Long
Private Declare Function DeregisterEventSource Lib "advapi32" _
(ByVal hEventLog As Long) As Boolean
Private Declare Function ReportEvent _
Lib "advapi32" Alias "ReportEventA" _
(ByVal hEventLog As Long, _
ByVal wType As Long, _
ByVal wCategory As Long, _
ByVal dwEventID As Long, _
ByVal lpUserSid As Long, _
ByVal wNumStrings As Long, _
ByVal dwDataSize As Long, _
lpStrings As Any, _
lpRawData As Any) As Long
' Event Type Constants
Public Const EVENTLOG_SUCCESS = &H0 'Success event
Public Const EVENTLOG_ERROR_TYPE = &H1 'Error event
Public Const EVENTLOG_WARNING_TYPE = &H2 'Warning event
Public Const EVENTLOG_INFORMATION_TYPE = &H4 'Information event
Public Const EVENTLOG_AUDIT_SUCCESS = &H8 'Success audit event
Public Const EVENTLOG_AUDIT_FAILURE = &H10 'Failure audit event
Public Function LogEvent(strSource As String, dEventType As Long, strError As String, Optional iEventID As Integer = 26, Optional iCategory As Integer = 26) As Long
' returns nonzero for success otherwize zero for fail
Dim ret1, ret2, hEvt As Long
hEvt = RegisterEventSource(vbNullChar, strSource)
If hEvt Then
ret1 = ReportEvent(hEvt, dEventType, iCategory, iEventID, 0, 1, 0, strError, vbNullChar)
If Not ret1 Then
LogEvent = 0
Exit Function
End If
End If
LogEvent = DeregisterEventSource(hEvt)
End Function
Loading Comments ...
Comments
No comments have been added for this post.
You must be logged in to make a comment.