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Add evtx file association and handle open with #105

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merged 1 commit into from
May 23, 2023
Merged

Add evtx file association and handle open with #105

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26 changes: 19 additions & 7 deletions src/EventLogExpert/MainPage.xaml.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,24 @@ public MainPage(IDispatcher fluxorDispatcher, IEventResolver resolver)
PopulateOtherLogsMenu();

ListenForResolverStatus();

var args = Environment.GetCommandLineArgs();
if (args.Length > 1)
{
OpenEventLogFile(args[1]);
}
}

private void OpenEventLogFile(string fileName)
{
_fluxorDispatcher.Dispatch(
new EventLogAction.OpenLog(
new EventLogState.LogSpecifier(
fileName,
EventLogState.LogType.File)));


Utils.UpdateAppTitle(fileName);
}

public async void OpenFile_Clicked(object sender, EventArgs e)
Expand All @@ -42,14 +60,8 @@ public async void OpenFile_Clicked(object sender, EventArgs e)

if (result != null)
{
_fluxorDispatcher.Dispatch(
new EventLogAction.OpenLog(
new EventLogState.LogSpecifier(
result.FullPath,
EventLogState.LogType.File)));
OpenEventLogFile(result.FullPath);
}

Utils.UpdateAppTitle(result?.FullPath);
}

private void CheckForUpdates_Clicked(object? sender, EventArgs e) =>
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10 changes: 10 additions & 0 deletions src/EventLogExpert/Platforms/Windows/Package.appxmanifest
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,16 @@
<uap:DefaultTile Square71x71Logo="$placeholder$.png" Wide310x150Logo="$placeholder$.png" Square310x310Logo="$placeholder$.png" />
<uap:SplashScreen Image="$placeholder$.png" />
</uap:VisualElements>
<Extensions>
<uap:Extension Category="windows.fileTypeAssociation">
<uap:FileTypeAssociation Name="windowseventlog">
<uap:SupportedFileTypes>
<uap:FileType>.evtx</uap:FileType>
</uap:SupportedFileTypes>
<uap:DisplayName>Windows Event Log</uap:DisplayName>
</uap:FileTypeAssociation>
</uap:Extension>
</Extensions>
</Application>
</Applications>

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14 changes: 13 additions & 1 deletion src/EventLogExpert/Utils.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -125,10 +125,22 @@ internal static void InitTracing()
System.Diagnostics.Trace.Listeners.Add(new TextWriterTraceListener(LoggingPath, "myListener"));
System.Diagnostics.Trace.AutoFlush = true;

var firstChanceSemaphore = new SemaphoreSlim(1);

// Trace all exceptions
AppDomain.CurrentDomain.FirstChanceException += (o, args) =>
{
Trace($"{args.Exception}");
// Unless we're already tracing one.
//
// When an instance of EventLogExpert is launched by double-clicking an evtx file
// and no databases are present, we get into a condition where we're trying to trace
// a first-chance exception, and the act of tracing causes another first-chance
// exception, which we then try to trace, until we hit a stack overflow.
if (firstChanceSemaphore.Wait(100))
{
Trace($"{args.Exception}");
firstChanceSemaphore.Release();
}
};
}

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