Unique EventID

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walterd - 01 Aug 2005 19:33 GMT

Hi

Has anyone implemented a unique number generator for the EventLog EventID?
I need to populate the EventID since I have an application that reads the
EventLog.

Any help is highly appreciated.

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Alphamacaroon - 01 Aug 2005 19:47 GMT

Try:

BitConverter.ToInt32(Guid.NewGuid().ToByteArray(), 0);

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walterd - 02 Aug 2005 11:20 GMT

Hi

I get the following error when I use
BitConverter.ToInt32(Guid.NewGuid().ToByteArray(), 0);

An unhandled exception of type 'System.ArgumentException' occurred in
system.dll

Additional information: Invalid eventID value '1296869646'. It must be
in the range between '0' and '65535'.

Are there any companies out there that actually write to the EventLog
using unique EventID's?

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larrylard@hotmail.com - 02 Aug 2005 12:12 GMT

> Hi
>
[quoted text clipped - 6 lines]
> Additional information: Invalid eventID value '1296869646'. It must be
> in the range between '0' and '65535'.

I think Alphamacaroon meant to say
BitConverter.ToInt16(Guid.NewGuid().ToByteArray(), 0)

But:

> Are there any companies out there that actually write to the EventLog
> using unique EventID's?

I don't know. Bear in mind that there's a limit to how unique a value
in 0..65535 can be. Not that the above technique of taking the first
two bytes of a new GUID might not work, depending on the GUID
generation mechanism.