Who to use nRF52840 USB840F dongle in c# application

I want to use USB840F dongle connected to PC to scan for device and connect to other BLE devices.

Cannot find any documentation or example of how to do so using visual studio 2022 with C#.

I have no previous experience working with USB BLE dongle and would appreciate a user guide or code example something that will help me to start.

thanks. 

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