rc (ULONG) - returns

Return codes.
• Success

• ERROR_ACCESS_DENIED)
  Not authorized to open printer port.
  8(ERROR_NOT_ENOUGH_MEMORY)
  Not enough memory to satisfy request.
  29(ERROR_WRITE_FAULT)
  Failure attempting to write to the device. This could happen if a BIDI_START_JOB bracket is sent during open time, and the print device does not accept the start job command.
  87(ERROR_INVALID_PARAMETER)
  An invalid parameter was specified; most likely an invalid pointer was passed to PrtOpen.
  99(ERROR_DEVICE_IN_USE)
  Device is in use by another application.
  240(ERROR_VC_DISCONNECTED)
  Unable to connect to the remote printer.

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