>>I am debugging a Visual Basic application to fit our own needs. The source code was given to me from the other team. As we need to have this application to run as a service, they preferred to send the code to us so we can troubleshoot what is going on. The code is only 50 lines of code.
>>
>>I found that the following line:
>>
>>App.LogEvent APPLICATION_STARTED, vbLogEventTypeInformation
>>
>>only logs an entry in the Event Viewer if the application is run as a service or from an EXE. If we run the application from Visual Basic, it does not log in the Event Viewer. Why?
>
>I have already seen this behavior (that says that log are only kept when running outside VB IDE) in a Microsoft book.
>
>I have also test it and it confirms what the book says.
>
>The book didn't says why.

So, those applications that log something should avoid using the Event Viewer. It would be better to log in a SQL Server table for example.