// ntddvol.h

typedef struct _VOLUME_READ_PLEX_INPUT {
  LARGE_INTEGER ByteOffset;
  ULONG         Length;
  ULONG         PlexNumber;
} VOLUME_READ_PLEX_INPUT, *PVOLUME_READ_PLEX_INPUT;
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Windows Driver Kit DDI reference (ns-ntddvol-_volume_read_plex_input)

_VOLUME_READ_PLEX_INPUT structure

Description

This structure is used in conjunction with IOCTL_VOLUME_READ_PLEX to read data from a specific plex in a volume.

Members

`ByteOffset`

Supplies the start offset, in bytes, relative to the beginning of the volume. This member must be aligned on a 512-byte boundary.

`Length`

Supplies the length, in bytes, of the block to be read. This member must be an integer multiple of 512 bytes.

`PlexNumber`

Supplies the zero-based plex number.

VOLUME_READ_PLEX_INPUT - NtDoc