: zkfp2.OpenDevice(0) captures a physical hardware device handle using zero-indexed arrays.
Как использовать библеотеку Zkteco fingerprint libzkfp.dll? libzkfpdll
Copy libzkfp.dll along with all auxiliary target files ( libzkfp.dll , zkfpkeeper.dll , fpsensor.dll ) directly into the executable output directory (e.g., bin/Debug/net8.0/ ). : zkfp2