Writing To The Eventlog In Win7, With Instance Of Eventlog And .WriteEntry Being A Shared Member
Dec 8, 2010
I have an app the writes to the eventlog correctly in xp. The code does not work in win7.
CODE:
I get an error about inaccessable logs:security. I get that. Run as admin it goes away. I do not want to have to do that every time for every user that runs the app. besides they may not have the rights
So I wanted to make an instance of eventlog and set the Log to write to so it does not search the logs and error out on security.
CODE:
Now i get warnings about "Access of shared member, constant member, enum member or nested type through an instance; qualifying expression will not be evaluated."
How the hell else are you to set the log so that the code will work under win7 with normal user rights AND not get this silly warnings?
I have 71 places that I write to the eventlog. that may or may not be too many but that is for another thread.
CODE:
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Jul 13, 2010
I'm having a problem trying to figure out how to write an event to a remote computers event log. I am able to create a new source and create a new eventlog but I am unable to actually write a new event to the log. Here is a snippet of my code...
Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
Dim source As String = "Please provide a source for the event."
Dim eventLogSelectError As String = "Please select and eventlog to write the evnt to."
Dim messageTxtError As String = "Please provide a message for the event."
[code]....
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Jun 2, 2011
how do I overcome it? I have created a class and compiled into .dll This code
[Code]...
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May 31, 2010
In the following code i get a warning at line 59:Warning 1: Access of shared member, constant member, enum member or nested type through an instance; qualifying expression will not be evaluated.and.. At line 78 I get this Warning:
Warning 2 Property 'SelectedCustomer' doesn't return a value on all code paths. A null reference exception could occur at run time when the result is used.
The program compiles and runs well, but i cant' undesrtand the reason for these warnings. Any Idea ?
1: Public Class Form1
2:
3: 'Form level members
4: Private objCustomers As New ArrayList
[code]....
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Jun 23, 2009
i changed a class variable to shared so i can access it in all instances of the class, but it caused an error. what is causing this, and how can i fix it?
Private
Shared img As Bitmap
Me
.img = bgImage
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Aug 11, 2011
i'm looking for a solution to get the last 10 eventlogs by date From the windows eventlog (ofcourse)This is what i have now:
Dim eventLogApp As New System.Diagnostics.EventLog("Application")
Dim eventLogEntry As System.Diagnostics.EventLogEntry
Dim ev
[code].....
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Nov 10, 2009
Is it possible to copy the Eventlog (System, Security, Application) in VB .Net? I cant stop the service to do this. So i need another way to copy it and ready the contents?
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Apr 13, 2012
I'm working with vb.net in Visual Studio 2010, I have a method which writes entries in eventlog, this work fine in Windows XP but did not in Windows 7, here it throws a security exception.I allready know that this problem is because the user who exectues this assembly does not have permissions to write the registry, so my question is if does not exist some way to give permissions on the fly, something like declarative permissions or something
like that....this is my code:
Public Shared Sub Loguear(ByVal xsSource As String, ByVal xsMessage As String, ByVal xeEventType As EventLogEntryType, _
ByVal xsLogName As String)[code].....
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Apr 6, 2012
What is the benefit of using TraceListeners and EventLogs. If I can write some code that writes information about the the status of my application to a text file or to a database, why would I bother working with the complicated EventLog and Tracelisteners.
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Sep 18, 2009
I have written a number of programs that query the Event viewer of a windows server box, but have never been able to figure out how to do it from the top of the list. The default appears to be from the bottom up. Normally that would be fine, but I am going to soon be writing an application that runs as a service and polls the Event Log for updates constantly. Where the problem is sitting at right now is out log files are huge and necessarily so. What I want to do is query the logs from the top down and break out once I get to the log time that my previous polling had reached. Is there a way to read from the logs from the top down?I had recently kicked around the idea about passing it into a Collection and scanning it from there, but haven't researched that process too much yet. Not sure if you can control how you scan a collection.
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Nov 11, 2009
I would like to backup/copy an event log then save the contents as text so i can input this data to a database.
Reading around it seems i need to know WMI to do this which i dont really know. how i could do this or provide some links to get started?
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Jun 11, 2009
I'm wondering if it's possible to get rid of the anoying Microsoft URL in every Eventlog Entry I write through the Eventlog Class within my Application:
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
As these are entries from my own application, the postfix with this URL makes no sense.
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Oct 14, 2002
I am having trouble reading the event log on another machine. From what I can gather the .geteventlogs("server01") method should return the logs from the computer named "server01" but it doesn't work for me. It returns the results from the local machine instead.
[Code]...
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Mar 4, 2009
I am creating my very first Service application and it seems to be quite simple to do. I want to create an eventlog so I can write away any exceptions that may occur. Is this the correct way? I have the following
If Not MyLog.SourceExists("MorrisonsSync") Then
MyLog.DeleteEventSource("MorrisonsSync")
End If
[code]....
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Oct 9, 2009
What are best practices when creating a custom event log for a windows service? I've set my service on a timer so it fires up every day (except weekends) at the same time. For the last 3 days, I've been getting the following error: The source 'DMCS57ExportService' is not registered in log 'DMC S57 Export Log'. (It is registered in log 'DMCS57ExportLog'.) " The Source and Log properties must be matched, or you may set Log to the empty string, and it will automatically be matched to the Source property.Based on that error, I know there's something wrong with the code that creates the custom event log (see below)
[Code]...
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Nov 28, 2009
Any example to catch errors and log them to the Eventlog? I would like to catch any error and pass them to my WriteToEventLog function. If I use On Error , how could I catch the Error and pass it to my WriteToEventLog function? I would like to catch the actual error
Public Function WriteToEventLog(ByVal entry As String,
Optional ByVal appName As String = "CompanyName",
Optional ByVal eventType As EventLogEntryType = EventLogEntryType.Information,
Optional ByVal logName As String = "ProductName") As Boolean
[Code] .....
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Oct 2, 2009
tell me how to insert log message into application eventlog from VB6 program? Do I need any permission to add log messages in event log?
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Sep 14, 2011
My applicaiton makes use of the Event Log to log exceptions and Informational messages, however when logged in as a Standard User who has limited access, I am receiving the Exception[code]...
I understand that the Event Source cannot be found in the log I am writting to (Application) and the application is attempting to create the Event Source but before it can be registered all Logs need to be reviewed to make sure the Event Source isn't already in use.
My question is how should I go about creating an Event Source that can be used by Standard Users? The application will be operating on a corporate network whereby we lock down all users to the least required privellages.[code]...
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Nov 6, 2009
After I formatted my laptop and reinstalled Visual Studio 2005, I receive a lot of same error as below message.
"Access of shared member through an instance; qualifying expression will not be evaluated"
If I click the error, it direct me to the line and all 102 error suggest me to add "Windows.Forms." before "DialogResult.OK". Should I add something on "Reference"?
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Feb 8, 2011
I know I can access the local Eventlog using build in functions. However, I need to be able to open and read evt and evtx files save on a remote computer for further analysing.
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Mar 3, 2011
Here's an example of what I'm talking about...
Public Class Sample1
Public Shared Function MyValue() As Integer
Return 0
End Function
Public Sub Code()
[Code]...
Me.MyValue gives a warning in VB.NET and (the equivalent code gives) an error in C#. Is there a particular reason for this? I find it more intuitive/natural to access the shared function using 'Me.MyValue' - but I avoid it to keep my warnings at 0. Did someone else just decide 'Nah, it makes more sense to do it the other way' or is there some technical reason I don't understand?
EDIT: I was thinking of it wrong, more like a 'sub class' in OOP. Even if something is declared in the base class, you access it through the instance you have. But that relationship is not the same with shared or static.
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Aug 13, 2009
In Visual Studio 2008, if I do this:
[Code]....
Does anyone here know how to get the above to work WITHOUT warnings being generated?
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Apr 28, 2011
Cannot appear to be able to get this function to not have the above error.Private Function GetIncidentActions(ByVal FromAgentID As Integer, ByVal ToAgentID As Integer, ByVal incidentAction As Integer, ByVal ActionDate As Date) As String
[Code]...
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Jan 30, 2012
I have looked through more old threads than I can count and I just cannot get any of the suggestions to work. I did a little poking around MSDN as well. I am trying to use the registry to enable AutoLogon on a Win7 machine through code. I can read the current value with no problem but I am running into security problems when I attempt to change AutoLogon to "1". This is what I have done so far.
[Code]....
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Aug 2, 2011
I've used .NET for a long time but I've never really been sure of this warning :-"Access of a shared member, constant member, enum member or nested type through an instance; qualifying expression will not be evaluated"Whilst this is not causing an issue and I've not really experienced this problem a lot with my own code, converting some code from an old .NET project gives 10's of these errors.
Code:
Protected Function GetContentTypeFromString(ByVal TypeString As String) As MailContentType
Select Case TypeString.ToLower
[code]....
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Nov 29, 2011
I'm wondering if this is possible. In my Test function below I want to
Check if T is of type BaseClass; throw an error if it's not.
Get the value of SomeText property of BaseClass.
Class BaseClass
[code].....
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Jun 30, 2011
Just asking for personal preferences, pros,cons on the following situation. I have a class(classA) that has some shared members in it. I have a procedure in a form that needs to execute a function in a separate class(classB). This function requires some of the shared member values from classA. I can either pass these values as parameters from the form to classB, or in classB I can just access them directly by referencing classA. As a general rule I've tended to try to use parameters to pass all the information a function needs but it starts to seem a little unwieldly when passing several parameters to multiple procedures.
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Feb 13, 2009
Ive put in some code to trap a keystroke... In this case, a spacebar.If I call somethingsiple like application.exit(), no problem.I do need to have it call a local public sub though, and when I do so, I get the error: "Reference to non-shared member requires an object reference"I've tried to research this, but what the forums are saying to do is not clear to me yet.[code]The forums are saying to declare the sub as a class and call it as a variable.
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May 2, 2009
I'm attempting to use a function which exists in a class (IDautomation.vb) I found online.I use the "Imports" statement at the top of my class/form. When I attempt to call a function from the Imported class I get an intellisense error:
"Reference to a non-shared member requires an object reference" I guess I thought by using the "Imports" statement I could access any of the properties/methos from that class.
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Jan 20, 2010
We have a coding standard that says all shared (static) fields and methods must be called with the class name. E.g. NameOfClass.whatever Is there a tool that we can use to check this is in fact the case? (Likewise for modules) I should have make it clearer we are using VB.NET.
[Code]...
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