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02.04.2008 at 06:24AM PST, ID: 23134771
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8.8

Howto get a Windows eventlog EventID

Asked by pyrokin in Microsoft Visual C#.Net, .NET Framework 2.x

Tags:

Hello,

   I need to get the Eventlog EventID out of the InstanceID. Below is some code I found that does it perfectly, but sometimes it does not return the correct value. Does this code look right?Start Free Trial 
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private void ValidateEventID (long instanceID)
		{
			int eventID = GetEventID (instanceID);
			if (eventID < ushort.MinValue || eventID > ushort.MaxValue)
				throw new ArgumentException (string.Format (CultureInfo.InvariantCulture,
					"Invalid eventID value '{0}'. It must be in the range between"
					+ " '{1}' and '{2}'.", instanceID, ushort.MinValue, ushort.MaxValue));
		}
 
		internal static int GetEventID (long instanceID)
		{
			long inst = (instanceID < 0) ? -instanceID : instanceID;
 
			// MSDN: eventID equals the InstanceId with the top two bits masked
			int eventID = (int) (inst & 0x3fffffff);
			return (instanceID < 0) ? -eventID : eventID;
		}
[+][-]02.05.2008 at 07:08AM PST, ID: 20823449

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[+][-]02.05.2008 at 07:29AM PST, ID: 20823678

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[+][-]02.05.2008 at 07:42AM PST, ID: 20823838

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[+][-]02.05.2008 at 09:39AM PST, ID: 20825030

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[+][-]02.05.2008 at 10:13AM PST, ID: 20825287

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About this solution

Zones: Microsoft Visual C#.Net, .NET Framework 2.x
Tags: C#
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Solution Provided By: TheLearnedOne
Participating Experts: 1
Solution Grade: A
 
 
[+][-]02.05.2008 at 10:14AM PST, ID: 20825290

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[+][-]02.06.2008 at 04:30PM PST, ID: 20837114

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[+][-]02.07.2008 at 06:17AM PST, ID: 20840844

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