// ntddcdrm.h

typedef struct _CDROM_TOC_SESSION_DATA {
  UCHAR      Length[2];
  UCHAR      FirstCompleteSession;
  UCHAR      LastCompleteSession;
  TRACK_DATA TrackData[1];
} CDROM_TOC_SESSION_DATA, *PCDROM_TOC_SESSION_DATA;
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Windows Driver Kit DDI reference (ns-ntddcdrm-_cdrom_toc_session_data)

_CDROM_TOC_SESSION_DATA structure

Description

Device control IRPs with a control code of IOCTL_CDROM_READ_TOC_EX and a format of CDROM_READ_TOC_EX_FORMAT_SESSION return their output data in this structure followed by a series of TRACK_DATA structures.

Members

`Length`

Indicates the length, in bytes, of the table of contents data. This length value does not include the length of the Length member itself.

`FirstCompleteSession`

Contains the number of the first complete session.

`LastCompleteSession`

Contains the number of the last complete session.

`TrackData`

Contains data for the first track of the last finished session. This data includes the starting address and number of the track.

CDROM_TOC_SESSION_DATA - NtDoc