ELEMENT_TYPE - NtDoc
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// ntddchgr.h
typedef enum _ELEMENT_TYPE {
AllElements,
ChangerTransport,
ChangerSlot,
ChangerIEPort,
ChangerDrive,
ChangerDoor,
ChangerKeypad,
ChangerMaxElement
} ELEMENT_TYPE, *PELEMENT_TYPE;
View the official Windows Driver Kit DDI reference// winioctl.h
typedef enum _ELEMENT_TYPE {
AllElements,
ChangerTransport,
ChangerSlot,
ChangerIEPort,
ChangerDrive,
ChangerDoor,
ChangerKeypad,
ChangerMaxElement
} ELEMENT_TYPE, *PELEMENT_TYPE;
View the official Win32 API referenceNo description available.
The ELEMENT_TYPE enumeration provides a list of changer element types defined by the SCSI-3 specification.
AllElementsIndicates all elements of a changer, including its robotic transport, drives, slots, and IEport. AllElements is valid only in a ChangerGetElementStatus or ChangerInitializeElementStatus call.
ChangerTransportIndicates the changer's robotic transport element, which is used to move media between IEports, slots, and drives.
ChangerSlotIndicates a storage element, which is a slot in the changer in which media is stored when not mounted in a drive.
ChangerIEPortIndicates an import/export element (IEport), which is a single or multiple-cartridge access port in some changers. An element is an IEport only if it is possible to move a piece of media from a slot to the IEport.
ChangerDriveIndicates a data transfer element where data can be read from and written to media.
ChangerDoorIndicates a mechanism that provides access to all media in a changer at one time (as compared to an IEport that provides access to one or more, but not all, media). For example, a large front door or a magazine that contains all media in the changer are elements of this type. ChangerDoor is valid only in a ChangerSetAccess call.
ChangerKeypadIndicates the keypad or other input control on the front panel of a changer. ChangerKeypad is valid only in a ChangerSetAccess call.
ChangerMaxElementIndicates the upper limit of the enumerators in this enumeration.
ChangerInitializeElementStatus
Specifies the element type of a changer device.
AllElementsAll elements of a changer, including its robotic transport, drives, slots, and insert/eject ports. This value is valid only with IOCTL_CHANGER_GET_ELEMENT_STATUS or IOCTL_CHANGER_INITIALIZE_ELEMENT_STATUS.
ChangerTransportRobotic transport element, which is used to move media between insert/eject ports, slots, and drives.
ChangerSlotStorage element, which is a slot in the changer in which media is stored when not mounted in a drive.
ChangerIEPortInsert/eject port, which is a single- or multiple-cartridge access port in some changers. An element is an insert/eject port only if it is possible to move a piece of media from a slot to the insert/eject port.
ChangerDriveData transfer element where data can be read from and written to media.
ChangerDoorMechanism that provides access to all media in a changer at one time (as compared to an IEport that provides access to one or more, but not all, media). For example, a large front door or a magazine that contains all media in the changer is an element of this type. This value is valid only with IOCTL_CHANGER_SET_ACCESS.
ChangerKeypadKeypad or other input control on the front panel of a changer. This value is valid only with IOCTL_CHANGER_SET_ACCESS.
ChangerMaxElement