[gdal-dev] Issue with c# bindings

Tamas Szekeres szekerest at gmail.com
Wed Dec 9 14:59:11 PST 2015

Hi Kelly,

It looks like you are compiling against .Net 4 and the /define:CLR4 is
missing from the csc command line. Also make sure the following line is
added to AssemblyInfo.cs when compiling the assemblies:

[assembly: SecurityRules(SecurityRuleSet.Level1)]

Best regards,


2015-12-09 23:02 GMT+01:00 kelly elton <its.the.doc at gmail.com>:

> I'm getting this error after compiling from source
> Exception thrown: 'System.MethodAccessException' in gdal_csharp.dll
> Additional information: Attempt by security transparent method
> 'OSGeo.GDAL.Gdal.UseExceptions()' to call native code through method
> 'OSGeo.GDAL.GdalPINVOKE.UseExceptions()' failed.  Methods must be security
> critical or security safe-critical to call native code.
> I did
> nmake -f makefile.vc clean && nmake -f makefile.vc MSVC_VER=1600 DEBUG=1
> && nmake -f makefile.vc install
> cd swig
> nmake -f makefile.vc csharp
> I get the gdal dll + the csharp dlls...and I use them
> But as soon as I call OSGeo.GDAL.Gdal.UseExceptions(); I get the exception
> This doesn't happen with the dll's I've downloaded from
> http://www.gisinternals.com/
> I got the source from https://trac.osgeo.org/gdal/wiki/DownloadSource and
> I got 2.0.1
> _______________________________________________
> gdal-dev mailing list
> gdal-dev at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/gdal-dev
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