DISK_GEOMETRY structure (winioctl.h)
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, *PDISK_GEOMETRY;
Cylinders
The number of cylinders. See LARGE_INTEGER.
MediaType
The type of media. For a list of values, see MEDIA_TYPE.
TracksPerCylinder
The number of tracks per cylinder.
SectorsPerTrack
The number of sectors per track.
BytesPerSector
The number of bytes per sector.
Requirement | Value |
---|---|
Minimum supported client | Windows XP [desktop apps only] |
Minimum supported server | Windows Server 2003 [desktop apps only] |
Header | winioctl.h (include Windows.h) |
IOCTL_DISK_GET_DRIVE_GEOMETRY, IOCTL_STORAGE_GET_MEDIA_TYPES, MEDIA_TYPE