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DISK_GEOMETRY structure

Describes the geometry of disk devices and media.

Syntax

C++
Copy 

typedef struct _DISK_GEOMETRY {
  LARGE_INTEGER Cylinders;
  MEDIA_TYPE    MediaType;
  DWORD         TracksPerCylinder;
  DWORD         SectorsPerTrack;
  DWORD         BytesPerSector;
} DISK_GEOMETRY;

Members

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.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header
WinIoCtl.h (include Windows.h)

See also

IOCTL_DISK_GET_DRIVE_GEOMETRY
IOCTL_STORAGE_GET_MEDIA_TYPES
MEDIA_TYPE

 

 

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