pszDeviceName (PSZ) - input

Port name on pszComputerName.

Following is an example of a port name:
LPT1


This may also be the name of a local printer device or local print queue to allow presentation drivers to query printer characteristics during DevOpenDC or DevPostDeviceModes. The spooler will change the destination to be the port that is connected to either the printer device or the print queue.