I am using the WixUtilExtension to register two EventLog sources:
<Component Id='CreateEventSources'
Guid='AEE38E60-EEC1-4A96-AE3F-37710D838B4A'>
<util:EventSource Log="Application" Name="MyApp1"
EventMessageFile="[NETFRAMEWORK20INSTALLROOTDIR]EventLogMessages.dll" />
<util:EventSource Log="Application" Name="MyApp2"
EventMessageFile="[NETFRAMEWORK20INSTALLROOTDIR]EventLogMessages.dll" />
</Component>
The Registry keys are correctly created, i.e.
HKLM\SYSTEM\CurrentControlSet\Services\Eventlog\Application\MyApp1
HKLM\SYSTEM\CurrentControlSet\Services\Eventlog\Application\MyApp2
However: If I were to create these sources using the .NET Framework class
System.Diagnostics.EventLogInstaller, it would also update the REG_MULTI_SZ
value named "Sources", which (provided we are using the Application log) can
be found at
hklm\system\currentcontrolset\services\eventlog\applicat...@sources
This value contains a list of event log sources and is pretty much
consistent with the list of subkeys, although some broken installers
sometimes fail to update the value at uninstall time or whatever.
If we look in the latest WiX source in
src\ext\UtilExtension\wixext\UtilCompiler.cs:ParseEventSourceElement, we
find
string eventSourceKey =
String.Format(@"SYSTEM\CurrentControlSet\Services\EventLog\{0}\{1}",
logName, sourceName);
which is where the key is registered, but I see no code updating the Sources
value.
My questions are:
- Why is WiX not updating the Sources value?
- Is this something I should be concerned about?
Links to official guidelines about how event logs should be registered (at
the Registry level) would be much appreciated.
/Joergen Bech
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