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Epson USB printer - getting "System.IO.IOException: The handle is invalid" #248
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I question the "The handle is invalid, " line. Does the "\?" need to be formatted differently? |
I tested this using .net5.0-windows7.0, .net5.0, and .net6.0 with Epson printer but was unable to recreate the issue. Could you please provide me more information about the testing environment. |
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I am using the newly released USB modules (USBPrinter.cs, DeviceDetails.cs, & DeviceFinder.cs) and
using "net5.0-windows7.0 in my project files. Evthing seems to complie just fine, but when I run the Console Test, I get the following:
Any ideas?
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