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I am making an addin to create subsets and export them to a new workspace. I have stepped through my program and getting error at this particular line while running the addin:

pExportOp.ExportFeatureClass((IDatasetName)pFeatureClassName, 
        pQueryFilter, pSelSet, pGeometryDef, (IFeatureClassName)pOutDatasetName, 0);

Can someone help that what the error could be.

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Can you be sure to remember to tag your questions with the arcobjects tag when you are using that API? – blah238 Jan 19 at 8:57
can you post your exact error message here? – vinayan Jan 20 at 5:46
@ vinayan :: Actually, I am not getting any error in visual studio IDE I can successfully deploy my addin but when I run it, it gives error as "ArcGIS desktop has encountered a serious application error and is unable to continue.", I debugged my code step by step and found that the error is due to the following line:: pExportOp.ExportFeatureClass((IDatasetName)pFeatureClassName, pQueryFilter, pSelSet, pGeometryDef, (IFeatureClassName)pOutDatasetName, 0); Please Help...!!! – Avinash Nirankari Jan 21 at 6:28
are you trying to export from one geodatabase to other? or gdb to shapefile? did you try to put a try-catch block and see what the exception message gives when you debug? – vinayan Jan 21 at 7:47

1 Answer

up vote 1 down vote

[It is a comment basically. Because of the code line is not supported in comment, I posted it as an answer.]

Please be sure about following lines:

pFeatureClassName as IDatasetName != null 
pOutDatasetName as IFeatureClassName != null
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@ emi :: I added following 'if' condition and it checked that these two are not null and I am still getting error... if ( (IDatasetName)pFeatureClassName != null && (IFeatureClassName)pOutDatasetName != null) {pExportOp.ExportFeatureClass((IDatasetName)pFeatureClassName, pQueryFilter, pSelSet, pGeometryDef, (IFeatureClassName)pOutDatasetName, 0);} – Avinash Nirankari Jan 21 at 6:24
please be sure any data is not null. This ArcGIS crash problem occurs when you try to do any invalid thing with arcObject API. – Emi Jan 21 at 7:38

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