How to log to EventViewer with WINUI?

Question

How am i supposed to Log to the Windows EventViewer in a WinUI3 App? I was not able to find a working example.

Current Situation:

In every .NET Framework app i used System.Diagnostics.EventLog

to write more or less useful eventLog.WriteEntry(e.Message, EventLogEntryType.Error);

Messages into the 'Application' Log. The WiX Installer takes care of the EventSource creation during the App installation. Now, i tried to do the same with a WINUI3 App. The logging itself is working as expected. However the eventsource creation is not. I was not able to find any information on how to tell visualstudio to create an eventsource during installation, nor am i confident that this is the right way to go.

So, how am i supposed to do logging on winui if i do not want to log to seperate files wehre i do need seperate programs to read them.

I have had a look at the LoggingSession and LoggingChannel solution with samples. But i do not think this kind of log is consumable without extra tools that needs to be downloaded/installed.

Andrew KeepCoding · Accepted Answer · 2024-03-07 11:55:56Z

0

Install the Microsoft.Extensions.Logging NuGet package and use it like this:

Microsoft.Extensions.Logging.EventLog.EventLogLoggerProvider eventLogLoggerProvider = new();
Microsoft.Extensions.Logging.ILogger logger = eventLogLoggerProvider.CreateLogger("EventLogExample");
logger.LogInformation("This is an information message");

answered Mar 7, 2024 at 11:55

Andrew KeepCoding

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2 Comments

c3rebro Over a year ago

Thanks, Andrew. Unfortunately i have a different Problem. I mean, i already do this. The problem is: I do not know how to tell the MSIX package publishing process to create an eventsource when installing. I tried to do this by the app itself: 'if (!EventLog.SourceExists(Assembly.GetEntryAssembly().GetName().Name)) { EventLog.CreateEventSource(new EventSourceCreationData(Assembly.GetEntryAssembly().GetName().Name, "Application")); }' While this works fine in WPF .NET FW or in debug mode, it does not in winui / .net 8 release build.

Andrew KeepCoding Over a year ago

I think you should open a new question.

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