ulCommand (ULONG) - input

Generic command code.

See BIDI Command Structures and Command Flow for contents of pInData and pOutData for each of the following commands.

Current commands are as follows:

BIDI_SEND_PASSTHRU(1h)

Printer-language-specific command will be issued to printer. See BIDI_SEND_PASSTHRU(1h) for input parameters.
BIDI_STARTJOB(2h)
Signals start of print job. See BIDI_STARTJOB(2h) for input parameters.
BIDI_ENDJOB(3h)
Signals end of print job. See BIDI_ENDJOB(3h) for input parameters.
BIDI_HOLDJOB(4h)
Holds printer job. See BIDI_HOLDJOB(4h) for input parameters.
BIDI_RELEASEJOB(5h)
Releases printer job. See BIDI_RELEASEJOB(5h) for input parameters.
BIDI_CANCELJOB(6h)
Cancels printer job. See BIDI_CANCELJOB(6h) for input parameters.
BIDI_INIT_PORTDRV(8h)
Initializes a port driver. See BIDI_INIT_PORTDRV(8h) for input parameters.
BIDI_RESET(9h)
Resets the printer. See BIDI_RESET(9h) for input parameters.
BIDI_SHUTDOWN(Ah)
Releases all threads waiting for this port. See BIDI_SHUTDOWN(Ah) for input parameters.
BIDI_INIT(Bh)
Sets printer in bidirectional mode. See BIDI_INIT(Bh) for input parameters.
BIDI_TERM(Ch)
Sets printer in unidirectional mode. See BIDI_TERM(Ch) for input parameters.
BIDI_RESPONSE_FMT(Dh)
Defines format of printer-to-host messages. See BIDI_RESPONSE_FMT(Dh) for input parameters.
BIDI_PACKET_SIZE(Eh)
Defines printer-to-host maximum packet size. See BIDI_PACKET_SIZE(Eh) for input parameters.
BIDI_INIT_PROTCNV(Fh)
Initializes the protocol converter for a port. See BIDI_INIT_PROTCNV(Fh) for input parameters.
BIDI_SET_SW(10h)
Tells port driver the BIDI software capabilities of the printer. See BIDI_SET_SW(10h) for input parameters.
BIDI_SET_PORTDRV(19h)
Stores port driver configuration. See BIDI_SET_PORTDRV(19h) for input parameters.
BIDI_START_PASSTHRU(1Ah)
Initiates a passthru session with the printer. See BIDI_START_PASSTHRU(1Ah) for input parameters.
BIDI_END_PASSTHRU(1Bh)
Terminates a passthru session with the printer. See BIDI_END_PASSTHRU(1Bh) for input parameters.
BIDI_NOTIFY_ENDJOBCONNECT(20h)
Notifies port driver that jobs are complete. See BIDI_NOTIFY_ENDJOBCONNECT(20h) for input parameters.
BIDI_NOTIFY_PORT_SELECTED(21h)
Notifies port driver that the printer is connected to a print queue. See BIDI_NOTIFY_PORT_SELECTED(21h) for input parameters.
BIDI_NOTIFY_PORT_RELEASED(22h)
Notifies port driver that the printer is no longer connected to a print queue. See BIDI_NOTIFY_PORT_RELEASED(22h) for input parameters.
BIDI_SET_DEVICE_ID(23h)
Tells spooler the printer's device ID. See BIDI_SET_DEVICE_ID(23h) for input parameters.
BIDI_ENABLE_ALERT(24h)
Enables printer alerts. See BIDI_ENABLE_ALERT(24h) for input parameters.
BIDI_DISABLE_ALERT(25h)
Disables printer alerts. See BIDI_DISABLE_ALERT(25h) for input parameters.
BIDI_ADD_VIRTUAL_PORT(26h)
Adds a virtual port. See BIDI_ADD_VIRTUAL_PORT(26h) for input parameters.
BIDI_DEL_VIRTUAL_PORT(27h)
Deletes a virtual port. See BIDI_DEL_VIRTUAL_PORT(27h) for input parameters.
BIDI_DEL_PORT(28h)
Indicates a spooler port has been deleted. See BIDI_DEL_PORT(28h) for input parameters.
0x00009000 - 0x00009FFF
Protocol-converter-specific commands.
0x0000B000 - 0x0000BFFF
Port-driver-specific commands.

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