Extending ArcGIS Pro with .NET and Python: Interactive Analytics

ArcGIS Pro is highly customizable. From an application perspective, .NET can be used to construct buttons, ribbons and tool specific user interfaces. Through the use of Python and Geoprocessing, your desired functionality can run both in demand and interactively with the .NET extension you created. This session introduces the key concepts necessary to get started with extending your ArcGIS Pro Application and provides a clear case study of interactive analytics to show you the power of the strategies outlined.

Why add-in si using C# and no only python?, QGIS3 plugin only use python. I don't like ArcGIS pro, is slower than ArcGIS desktop