[GIS] Reading Esri File Geodatabase (.gdb) from .NET

Question

I have been reading various threads on reading (not writing) an ESRI file geodatabase (.gdb). What I need to do is process a feature class in a geodb and extract the vertices of each feature. I do not need a visual component as this will be just pure processing of data. Looking for an open-source framework I can readily use in my .NET project. So far I have looked at

DotSpatial: Libraries work great for shapefiles but currently no ESRI gdb support
MapWindow: Looks like it supports MSSQL, SQLLite, and Postgre geodbs but not ESRI geodbs
QGIS: Does have the capability to read ESRI geodbs but the API is currently only for Python and C++
ArcGIS: Using ArcObjects this is quite easy but would like this available for users that do not require checking out a license

None of these have worked for me.

How do I read a feature class from an ESRI file geodatabase purely for processing the records?

Answer 1

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The ESRI File GDB API at https://github.com/Esri/file-geodatabase-api is exactly what I was looking for.