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Overview |
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Quick Info
Windows NT
| Yes
| Win95
| No
| Win32s
| No
| Import Library
| -
| Header File
| winioctl.h
| Unicode
| No
| Platform Notes
| None
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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
DeviceIoControl, IOCTL_DISK_GET_DRIVE_GEOMETRY, IOCTL_DISK_GET_MEDIA_TYPES, MEDIA_TYPE
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