CHANGER_SET_ACCESS structure (winioctl.h)

Contains information that the IOCTL_CHANGER_SET_ACCESS control code needs to set the state of the device's insert/eject port, door, or keypad.

Syntax

typedef struct _CHANGER_SET_ACCESS {
  CHANGER_ELEMENT Element;
  DWORD           Control;
} CHANGER_SET_ACCESS, *PCHANGER_SET_ACCESS;

Members

Element

A CHANGER_ELEMENT structure that represents the changer element. The ElementType member can be one of the following values: ChangerDoor, ChangerIEPort, or ChangerKeypad.

Control

The operation to be performed.

Value	Meaning
EXTEND_IEPORT 2	The element is to be extended. Requires that Features0 is CHANGER_OPEN_IEPORT.
LOCK_ELEMENT 0	The element is to be locked. Requires that Features0 is CHANGER_LOCK_UNLOCK.
RETRACT_IEPORT 3	The element is to be retracted. Requires that Features0 is CHANGER_CLOSE_IEPORT.
UNLOCK_ELEMENT 1	The element is to be unlocked. Requires that Features0 is CHANGER_LOCK_UNLOCK.

Requirements

Requirement	Value
Minimum supported client	Windows XP
Minimum supported server	Windows Server 2003
Header	winioctl.h (include Windows.h)

See also

CHANGER_ELEMENT

IOCTL_CHANGER_SET_ACCESS