DRIVE_LAYOUT_INFORMATION info  Overview  Group

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