Re: [Libusb-win32-devel] USB printing

[Stephan M. <ste...@we...>]

> l=5Fi=5FReturn =3D usb=5Fcontrol=5Fmsg( l=5FUSBDev,  0x10100001B, 1, 0,  0, Data, 10=
, 2000 );  =20
> according to the USB print spec, and what I could make out from your met=
hod, with
> no avail (error code -22 - incorrect parameter)

Which programming language is this=3F C=3F
The second parameter looks suspicious. What's the type of it=3F Binary=3F=3F=3F

Also, use usb=5Fstrerror() to retrieve a more detailed error message.

Stephan


=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=

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