In ArcObject, there are two very powerful interfaces (IRelationalOperatorNxM and IRelationResult) for checking spatial relationships but there is no equivalence in ArcGis Pro SDK.
ArcGIS Pro SDK
Could you look at GeometryEngine and provide more specific use cases if current functionality is insufficient?
GeometryEngine does all it has to do but is not good enough if you have to do these operations on several thousand geometries. That's why there was the IRelationalOperatorNxM and IRelationResult interfaces. The problem with GeometryEngine is the performance.
Thank you for the details.
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