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
Is there any way to get a better error message
Moderator: Alex
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Re: Is there any way to get a better error message
Hello,
We have sent you a debug version of DLL but have no answer...
Best regards, Alexander
We have sent you a debug version of DLL but have no answer...
Best regards, Alexander