Hi All, I was trying to perform intersection on two feature classes (shape file format) using OGRLayer.Intersection(), but have problems making it work with C# bindings. I am not able to figure out on how to pass the arguments SWIGTYPE_p_GDALProgressFunc callback and OSGeo.OGR.SWIGTYPE_p_void callback_data. Can someone please help me figure out on how to handle these. I keep getting the error "Attempt to dereference null GDALProgressFunc". I am not sure what that means.
Please share an example on how to call Intersection routine or some other routine which takes above mentioned argument types. Thank you, Dheeraj Reddy Mamidi
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