Hi,

it seems, in your case, it’s not an aggregate exception, so you just need to 
access the InnerException property (without an „s“ at the end) of your 
System.Exception

Best regards

Markus Schaber

CODESYS® a trademark of 3S-Smart Software Solutions GmbH

Inspiring Automation Solutions
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From: Djordje Spasic [mailto:issworld2...@yahoo.com]
Sent: Tuesday, November 17, 2015 11:46 AM
To: Markus Schaber; ironpython-users@python.org
Subject: Re: [Ironpython-users] PINVOKE exception from loaded .NET assembly

Thank you.

I am not a programmer myself.
How would either InnerException or AggregateException be used in this case?
I tried:

try:
 gdalc.Gdal.AllRegister()
except System.AggregateException as e:
    print "exception: ", e.InnerExceptions


But that didn't seem to be correct.

________________________________
From: Markus Schaber <m.scha...@codesys.com<mailto:m.scha...@codesys.com>>
To: Djordje Spasic <issworld2...@yahoo.com<mailto:issworld2...@yahoo.com>>; 
"ironpython-users@python.org<mailto:ironpython-users@python.org>" 
<ironpython-users@python.org<mailto:ironpython-users@python.org>>
Sent: Tuesday, November 17, 2015 11:31 AM
Subject: RE: [Ironpython-users] PINVOKE exception from loaded .NET assembly

Hi,

The inner exception (if present) can be accessed via the InnerException 
property of the “outer” exception:

https://msdn.microsoft.com/de-de/library/system.exception.innerexception%28v=vs.110%29.aspx?f=255&MSPPError=-2147217396

(This is a .NET feature, not an IronPython specific one.)

There’s also an AggregateException which is used in some cases:
https://msdn.microsoft.com/de-de/library/system.aggregateexception%28v=vs.110%29.aspx


Grüße,
Markus


From: Djordje Spasic [mailto:issworld2...@yahoo.com]
Sent: Tuesday, November 17, 2015 11:16 AM
To: Markus Schaber; 
ironpython-users@python.org<mailto:ironpython-users@python.org>
Subject: Re: [Ironpython-users] PINVOKE exception from loaded .NET assembly

Hi Markus,

Thank you for the reply.
How can I access the inner exception in ironpython?

I tried this:


import clr

clr.AddReferenceToFileAndPath("c:/gdal/gdal2bb/gdal_csharp.dll")



import OSGeo.GDAL as gdalc



try:
    gdalc.Gdal.AllRegister()

except System.Exception as e:
    print e.Message

But it raises the same message:

The type initializer for 'OSGeo.GDAL.GdalPINVOKE' threw an exception.

So this is not an inner exception?


Regards,
Djordje

________________________________
From: Markus Schaber <m.scha...@codesys.com<mailto:m.scha...@codesys.com>>
To: Djordje Spasic <issworld2...@yahoo.com<mailto:issworld2...@yahoo.com>>
Sent: Tuesday, November 17, 2015 7:57 AM
Subject: RE: [Ironpython-users] PINVOKE exception from loaded .NET assembly

Hello,

From: Djordje



> I am trying call a method from loaded .NET assembly in python, but for some 
> reason, I am getting a PINVOKE exception. Is there some way to print what is 
> the reason for that exception?


Maybe you could try to access the inner exception?

Best regards

Markus Schaber

CODESYS® a trademark of 3S-Smart Software Solutions GmbH

Inspiring Automation Solutions
________________________________________
3S-Smart Software Solutions GmbH
Dipl.-Inf. Markus Schaber | Product Development Core Technology
Memminger Str. 151 | 87439 Kempten | Germany
Tel. +49-831-54031-979 | Fax +49-831-54031-50

E-Mail: m.scha...@codesys.com<mailto:m.scha...@codesys.com> | Web: codesys.com 
| CODESYS store: store.codesys.com
CODESYS forum: forum.codesys.com

Managing Directors: Dipl.Inf. Dieter Hess, Dipl.Inf. Manfred Werner | Trade 
register: Kempten HRB 6186 | Tax ID No.: DE 167014915
________________________________________
This e-mail may contain confidential and/or privileged information. If you are 
not the intended recipient (or have received
this e-mail in error) please notify the sender immediately and destroy this 
e-mail. Any unauthorised copying, disclosure
or distribution of the material in this e-mail is strictly forbidden.



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