[Bug 52131] wine-mono + RMS Express: HF Channel Selection Browser crashes

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=52131

--- Comment #8 from Eric <eric.wheez at gmail.com> ---
Another clue:
I renamed ".../RMS\ Express/PropagationPrediction.dll" to
"xPropagationPrediction.dll" and then pressed RMS Express's HF Channel
Selector's "Update Via Internet" button, which would normally crash (I was
unable to test the "SFI" button).  The HF Channel Selector downloads info from
the internet and then hangs on "Updating propagation estimates..." but doesn't
crash.

So, I think that the crash must happen in a method within
PropagationPrediction.dll or soon after that.

Therefore, I believe the crash must happen within one of these methods (which
we learned from the Windows traces are attempted to be run after pushing either
the "SFI" or "Update Via Internet" buttons):
[Load PropagationPrediction.dll]
PropagationPrediction.PredictionClass..ctor
PropagationPrediction.PredictionClass.LoadDll
RMS_Express.Propagation.GetPathQualityIndicesFast
PropagationPrediction.PredictionClass.PredictPropagation
PropagationPrediction.PredictionClass.RangeAndBearing
PropagationPrediction.PredictionClass.GridSquareToLatitudeLongitude
PropagationPrediction.PredictionClass.ValidateGridSquare
PropagationPrediction.PredictionClass.CreateDVOACapQuery
PropagationPrediction.PredictionClass.GridSquareToDecimalDegrees
RMS_Express.Propagation.CheckHours
System.Runtime.InteropServices.SEHException ->
PropagationPrediction.PredictionClass.PredictPropagation
PropagationPrediction.PredictionClass.UnloadDll
RMS_Express.INIFile.WriteInteger

I'm wondering if the System.Runtime.InteropServices.SEHException that pops up
when tracing on Windows might be the problem?  Maybe it's some less
elegantly-implemented code which dotnet skirts around but which throws a wrench
into the works for wine-mono?

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