ulMode (ULONG)

      BIDI mode of the port.

      Values are as follows:

        Value

          Description
        1
          PRPORT_AUTODETECT
          Auto-detect mode. The port driver will tell the spooler if the printer is BIDI-capable. This is the default.
        2
          PRPORT_DISABLE_BIDI
          BIDI is disabled. The spooler will not use the printer in BIDI mode. This value overrides the port driver.
        3
          PRPORT_ENABLE_BIDI
          BIDI is enabled. This is set only if an application knows a printer is capable of using a protocol converter, but the port driver does not know which converter to use. The application must also supply the protocol converter name when setting a port to this mode.

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