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What is the best free SDK that I can use or integrate with the c # program Knowing that I have a CrossMatch 310 lc fingerprint scanner

What I have tried:

I was tired of trying to integrate some sdk due to problems and I could not find a solution in the internet for example:
an unhandled exception of type 'system.dllnotfoundexception' occurred in csharpsample.exe additional information: unable to load dll 'usb4xx.dll': the specified module could not be found. (exception from hresult: 0x8007007e)
Updated 16-May-21 19:48pm

1 solution

Go back to where you got your "sample code" from, and ask there - it's a DLL file from "Cross Match Technologies" so it's specific to your scanner and should work with it. Chances are you didn't install it properly, or didn't download it to where you should have - we can;t tell, but they should provide tech support and they will probably be used to their own software!
Ala Al-KhaTeeB 17-May-21 14:13pm
Thank you very much
OriginalGriff 17-May-21 14:17pm
You're welcome!

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