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NTMS_MEDIATYPEINFORMATION structure (ntmsapi.h)

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[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

Requirement Value
Minimum supported client Windows XP [desktop apps only]
Minimum supported server Windows Server 2003 [desktop apps only]
Header ntmsapi.h

See also

NTMS_OBJECTINFORMATION