Jeszs wrote: > Dear friends, > > I have a complex application dealing with several devices attached to the parallel port in a windows system. > I send/receive data by using: >[...] > Now, when i have to deliver the application o a Windows NT environment, I receive an error code: EPrivilege violated. > > Could you please provide a way to write/read to/from the parallel port in Windows NT? You can use TVicHW32 a .dll which allows you full access to io ports under 95 & NT, including the parallel port and its interrupt. TVicHW32 is maintained at the following internet address: http://www.entechtaiwan.com/tools.htm e-mail: tools@entechtaiwan.com victor@ivi.ugatu.ac.ru Kayode. ____________________________________________________________________ PIC 16F84 On Screen Display Project Board http://www.stv5730a.co.uk -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.