Is there any way to get a better error message

Questions, comments and suggestions concerning VintaSoft Twain .NET SDK.

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rpellegrini
Posts: 5
Joined: Thu Jul 28, 2011 12:28 am

Is there any way to get a better error message

Post by rpellegrini » Mon Aug 06, 2012 10:52 pm

We are working with an HP Photosmart 7510 all-in-one machine. On some systems (Not on all) the device does not open. The exception that it receives is "Unknown return code" . It is all the more funny because the Open function doesn't have a return code.

Upon receiving the exception, I look at the _device.ErrorString. This string is blank.

Do you have any ides on how I can produce a better error message so that I can figure out why this device will not open on this machine?

Thank you
R Pellegrini

Alex
Site Admin
Posts: 1474
Joined: Thu Jul 10, 2008 2:21 pm

Re: Is there any way to get a better error message

Post by Alex » Fri Aug 10, 2012 7:55 am

Hello,

We have sent you a debug version of DLL but have no answer...

Best regards, Alexander

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