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Autodocs
 Devices:
 trackdisk.device
  CMD_CLEAR
  CMD_READ
  CMD_UPDATE
  CMD_WRITE
  TD_ADDCHANGEINT
  TD_CHANGENUM
  TD_CHANGESTATE
  TD_EJECT
  TD_FORMAT
  TD_GETDRIVETYPE
  TD_GETGEOMETRY
  TD_GETNUMTRACKS
  TD_MOTOR
  TD_PROTSTATUS
  TD_RAWREAD
  TD_RAWWRITE
  TD_REMCHANGEINT
  TD_SEEK
Include
GuruMeditation
Docs » Autodocs » trackdisk.device » TD_CHANGESTATE

NAME

	TD_CHANGESTATE -- check if a disk is currently in a drive.

FUNCTION

	This command checks to see if there is currently a disk in a drive.
IO REQUEST INPUT
io_Device preset by the call to OpenDevice()
io_Unit preset by the call to OpenDevice()
io_Command TD_CHANGESTATE
io_Flags 0 or IOF_QUICK
IO REQUEST RESULT
io_Error - 0 for success, or an error code as defined in
<devices/trackdisk.h>
io_Actual - if io_Error is 0, this tells you whether a disk is in
the drive. 0 means there is a disk, while anything else
indicates there is no disk.

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