NTMS_MEDIATYPEINFORMATION Structure

[Removable Storage Manager is no longer available as of Windows 7 and Windows Server 2008 R2.]

The NTMS_MEDIATYPEINFORMATION structure defines the properties specific to a type of media supported by RSM.

Syntax

typedef struct _NTMS_MEDIATYPEINFORMATION {
  DWORD MediaType;
  DWORD NumberOfSides;
  DWORD ReadWriteCharacteristics;
  DWORD DeviceType;
} NTMS_MEDIATYPEINFORMATION;

Members

• MediaType
  Each disk or tape driver reports the media-type enumeration value of the medium that is currently mounted in the drive. This member can be one of the values in the STORAGE_MEDIA_TYPE enumeration type. This unique media type value is mapped to a human-readable string in the object szName member.

• NumberOfSides
  Number of sides on the media.

• ReadWriteCharacteristics
  Identifies the read/write characteristics of the media type. This can be one of the following values.

  Value	Meaning
  NTMS_MEDIARW_REWRITABLE	Media that can be rewritten. This includes magnetic tape, magnetic disk, and some optical disk media.
  NTMS_MEDIARW_WRITEONCE	Media that can only be written to one time. Some optical media, for example, 5.25", 12", 14" WORM, and CD-R, are designed to be write-once.
  NTMS_MEDIARW_READONLY	Media that cannot be written to CD-ROM and DVD-ROM.

   

• DeviceType
  SCSI device type as reported from device inquiry data. This can be one of the following values.

  Value	Meaning
  FILE_DEVICE_CD_ROM	CD-ROM device.
  FILE_DEVICE_DISK	Direct access device.
  FILE_DEVICE_TAPE	Sequential access device.

   

Remarks

The NTMS_MEDIATYPEINFORMATION structure is included in the NTMS_OBJECTINFORMATION structure.

Requirements

See Also

NTMS_OBJECTINFORMATION

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Build date: 6/9/2011