[gdal-dev] Swig-problem, possibly

[Tomas R]

  I have a Gdal-plugin for the eminent program SportTracks. This plugin 
gives access to the Gdal libraries for other plugins of the program.
Works great, normally.

But on some, or possibly all, WinXP computers it fails. It fails setting 
up the environment for the plugin, the path.

The plugin is written in C#, targeted at .Net2 and also the bindings and 
Gdal is compiled with .Net2.  Below is the code and the exception I get.
Anyone with an idea why this fails on WinXp? I have confirmed the 
problem on an updated WinXp computer with .Net2 and .Net3.5 installed.


The code is, in short, like this:

path = Environment.GetEnvironmentVariable("PATH");
installPath = 
Path.Combine(Path.GetDirectoryName(this.GetType().Assembly.Location),"Gdalbin") 
;
path = installPath + ";" + path;
Environment.SetEnvironmentVariable("PATH", path);
OSGeo.GDAL.Gdal.SetConfigOption("GDAL_DATA", Path.Combine(installPath, 
"data"));

and it fails on the last line above, it fails to locate/link to the 
correct DLL even though the path is correct and the DLLs exist at the 
end of the path. I have tested with a shorter path and checked the 
framework version of the DLLs at runtime, the managed DLLs that is.

It throws the following exception:

System.TypeInitializationException: The type initializer for 
'OSGeo.GDAL.GdalPINVOKE' threw an exception. ---> 
System.TypeInitializationException: The type initializer for 
'SWIGExceptionHelper' threw an exception. ---> 
System.DllNotFoundException: Unable to load DLL 'gdal_wrap': The 
specified module could not be found. (Exception from HRESULT: 0x8007007E)
at 
OSGeo.GDAL.GdalPINVOKE.SWIGExceptionHelper.SWIGRegisterExceptionCallbacks_Gdal(ExceptionDelegate 
applicationDelegate, ExceptionDelegate arithmeticDelegate, 
ExceptionDelegate divideByZeroDelegate, ExceptionDelegate 
indexOutOfRangeDelegate, ExceptionDelegate invalidCastDelegate, 
ExceptionDelegate invalidOperationDelegate, ExceptionDelegate 
ioDelegate, ExceptionDelegate nullReferenceDelegate, ExceptionDelegate 
outOfMemoryDelegate, ExceptionDelegate overflowDelegate, 
ExceptionDelegate systemExceptionDelegate)
at OSGeo.GDAL.GdalPINVOKE.SWIGExceptionHelper..cctor()
--- End of inner exception stack trace ---
at OSGeo.GDAL.GdalPINVOKE.SWIGExceptionHelper..ctor()
at OSGeo.GDAL.GdalPINVOKE..cctor()
--- End of inner exception stack trace ---
at OSGeo.GDAL.GdalPINVOKE.SetConfigOption(String jarg1, String jarg2)
at OSGeo.GDAL.Gdal.SetConfigOption(String pszKey, String pszValue)
at GDALPlugin.Gdal_Interface..ctor()

please, I am at a loss here.
The path is correct. Is it a framework problem?