As a follow up here is the whole structure of an event log event from Microsoft.
http://msdn.microsoft.com/
Terry
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Windows Event Log: Event ID Max Length
What is the maximum value for the Event ID column in the Windows Event Logs?
I am currently working on creating a program which interprets the contents of the Event Logs.
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Answers
I am writing this in C#.NET.
However, I don't actually believe this will have any impact in this particular instance - I do not have access to the actual logs. We have a program that dumps the event logs into comma-delimited files, which are then imported into an Access database.
My program is then reading from the Access database - so I'm taking the Event ID that's stored in there.
But, yeah, in this instance it's probably sufficient to just show an error message if the Event ID is above 65536 (and then continue on gracefully)...
Well if it's just reading from the access database then I'd base my variable for reading it from the access table type for that column.
Since your not reading directly or from .evt logs basing it on what access already has set is the way to go personally.
Once it's in access, thats whats your talking with.
Well highest down to lowest I could give you the SQL for.
One thing I've learnt is if someones wanting to ask for it once is someone will ask for it again. LOL!
If I was you I'd qualify what they are after. For your app it's easier to qualify what it's looking for.
If they are after a top ten or 100 occuring events then a top on the count of the eventID should work.
Might pay to ask in the Access forum as although I'm proficient in SQL queries and Access those people in there know their stuff alot better than I do when it comes to good and quick SQL queries.
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Terry
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by: qz8dswPosted on 2006-10-03 at 21:13:47ID: 17656871
Under the .net framework the event ID is an INT32 (values ranging from negative 2,147,483,648 to positive 2,147,483,647)
Dare I say it for compatability if it might run on older systems a 16 bit integer and catering for to 65535 "should" suffice.
I've personally not see an event ID over that YET being the operative word!!!!
Here is a c# example that uses unsafe int's.
This read's saved .evt files as opposed to reading the active event log.
http://www.codeproject.com
Terry