DISK_GEOMETRY
The DISK_GEOMETRY
structure describes the geometry of disk devices and media.
typedef struct _DISK_GEOMETRY {
LARGE_INTEGER Cylinders;
MEDIA_TYPE MediaType;
DWORD TracksPerCylinder;
DWORD SectorsPerTrack;
DWORD BytesPerSector;
} DISK_GEOMETRY ;
Members
Cylinders
The number of
cylinders.
MediaType
The type of
media. See MEDIA_TYPE.
TracksPerCylinder
The number of
tracks per cylinder.
SectorsPerTrack
The number of
sectors per track.
BytesPerSector
The number of
bytes per sector
Remarks
The DeviceIoControl
function receives a DISK_GEOMETRY structure in response to an IOCTL_DISK_GET_DRIVE_GEOMETRY
device input and output contol (IOCTL) operation. The DeviceIoControl
function receives an array of DISK_GEOMETRY structures in response to an
IOCTL_DISK_GET_MEDIA_TYPES device I/O operation.
See Also