DRIVE_LAYOUT_INFORMATION

The DRIVE_LAYOUT_INFORMATION structure provides information about a drive's partitions.

typedef struct _DRIVE_LAYOUT_INFORMATION {

DWORD PartitionCount;

DWORD Signature;

PARTITION_INFORMATION PartitionEntry[1];

} DRIVE_LAYOUT_INFORMATION;

Members

PartitionCount

The number of partitions on the drive.

Signature

A drive signature value.

PartitionEntry

A variable-sized array of PARTITION_INFORMATION structures, one structure for each partition on the drive.

Remarks

The DeviceIoControl function receives a DRIVE_LAYOUT_INFORMATION structure in response to an IOCTL_DISK_GET_DRIVE_LAYOUT device I/O operation. The DeviceIoControl function uses a DRIVE_LAYOUT_INFORMATION structure as input to an IOCTL_DISK_SET_DRIVE_LAYOUT device I/O operation.

See Also

DeviceIoControl, IOCTL_DISK_GET_DRIVE_LAYOUT, IOCTL_DISK_SET_DRIVE_LAYOUT, PARTITION_INFORMATION

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