Interacting with attendance biometric device using OCX dll

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I am using visual studio 2012. I am trying to interact with a biometric attendance device through a desktop application via ip address. I added the necessary dll and ocx files to the reference folder of the project. I created the object of 'SB100PCLib' quite easily, but when I try to execute its functions, I get this run time error

Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED))

As I am quite new dealing with third party dll, is there any extra step to perform? How to get rid of the error?

Posted 25-Dec-14 21:24pm

Ikram Khan

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BillWoodruff 26-Dec-14 4:04am

You are probably going to need to consult the manufacturer of the device, or find a way to get support from other users of this device.

Ikram Khan 26-Dec-14 5:21am

I have studied the manufacturer's documentation but could find the help. And can not find help from any source

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deepakdynamite · Answer 1 · 2014-12-26T00:11:00

Solution 1

http://support.microsoft.com/kb/243349[^]

http://www.howtogeek.com/forum/topic/catastrophic-failure-0x8000ffff[^]

Posted 26-Dec-14 0:11am

deepakdynamite