Hi list, I have troubles with C# bindings of OGR. I was trying to perform intersection on two feature classes (shape file formats) using OSGeo.OGR.Layer.Intersection(), but have problems making it work. I keep getting an error saying "AccessViolationException was unhandled. Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
Is the above error something to do with SWIGTYPE_p_GDALProgressFunc callback and OSGeo.OGR.SWIGTYPE_p_void callback_data arguments? I tried passing those parameters null as suggested by some in the forums but I keep getting the error "Attempt to dereference null GDALProgressFunc". I am not sure what that means. And when I instantiate callback as new SWIGTYPE_p_GDALProgressFunc() and new callback_data as new SWIGTYPE_p_void(), I don't get error Attempt to dereference null GDALProgressFunc, but still have error saying AccessViolationException was unhandled. Attempted to read or write protected memory. This is often an indication that other memory is corrupt. Can someone please help me figure this out and let me know how to make use of OSGeo.OGR.Layer.Intersection() in the right way with c# bindings. Thank you. Thanks, Dheeraj
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