AccessViolationException coming from mapscript_csharp.dll

Jim Bartol jbartol at MMM.COM
Tue Dec 4 12:27:02 PST 2007


I have rebuilt my project using the updated dll files provided by David 
Lowther in his test harness application as provided in the link below, 
which uses the following version of the mapscript_csharp.dll:
 
// Assembly mapscript_csharp, Version 1.0.2894.5796

My application runs OK most of the time, but on occasion I am still 
getting an AccessViolationException that is coming from the 
mapscript_csharp dll (see attached file) when I invoke the draw() method 
of a mapObj.  Any insight on this problem would be much appreciated.

Thanks,
Jim






Jim,
 
I?m glad the previous test harness was useful. I went ahead and updated 
the application with the bin directory Tamas sent links for yesterday. You 
can download the files here:
 
http://www.coordinatesolutions.com/download/MapserverTestVB_50.zip
 
David Lowther
 
Coordinate Solutions, Inc.
904.471.5528 (Voice)
405.210.1721 (Mobile)
904.471.5548 (Fax)
www.coordinatesolutions.com



Jim,

I don't know much about this package, you should make a test with the
recent version.
For testing purposes you can download the recent builds for windows from 
here:

http://vbkto.dyndns.org:1080/mapserver/szekerest-vc71-full/package/bin.zip
http://vbkto.dyndns.org:1080/mapserver/szekerest-vc80-full/package/bin.zip
http://vbkto.dyndns.org:1080/mapserver/szekerest-vc80x64-full/package/bin.zip


The binaries of the current stable version are included in the latest
ms4w release.

Best regards,

Tamas


2007/12/3, Jim Bartol <jbartol at mmm.com>:
>
> I have been using Mapscript C# binaries that I obtained from
> http://www.coordinatesolutions.com/download/ in a WinForms
> application that I developed.  On occasion I get an 
AccessViolationException
> error in Visual Studio 2005 in a method that calls the draw() method of 
a
> mapObj (see attached file).  I have seen several references to memory
> problems in the LISTSERV archives (e.g., items 021776 and 018310) and am
> wondering whether this issue may have already been addressed?  If it has
> been resolved, is a compiled set of binaries for Mapserver 5.0, similar 
the
> code in the link above, available for download?
>
> Thank you for any insight on this matter,
> jb
>
>
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