DosPFSActivate

#define INCL_DOSPFS

USHORT  rc = DosPFSActivate(SplHandle, BytesWritten, PrinterName,
                             CodePage, FontID, SFN, Reserved);

PVOID            SplHandle;     /* Temporary Spool File handle */
PULONG           BytesWritten;  /* Number of bytes written (returned) */
PSZ              PrinterName;   /* Printer name string */
USHORT           CodePage;      /* Code Page to make active */
USHORT           FontID;        /* Font ID to make active */
USHORT           SFN;           /* System File Number */
ULONG            0;             /* Reserved, set to zero */

USHORT           rc;            /* return code */