// poscx.h

typedef enum _POS_CX_EVENT_ATTRIBUTES {
  POS_CX_EVENT_ATTR_DATA,
  POS_CX_EVENT_ATTR_CONTROL,
  POS_CX_EVENT_ATTR_BCAST_CONTROL
} POS_CX_EVENT_ATTRIBUTES;
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Windows Driver Kit DDI reference (ne-poscx-_pos_cx_event_attributes)

Description

The POS_CX_EVENT_ATTRIBUTES enumeration describes the priority and access rights for the POS events coming from the device. The values are a combination of the values defined in POS_CX_EVENT_DEST and POS_CX_EVENT_PRIORITY.

Constants

`POS_CX_EVENT_ATTR_DATA`

Data level priority delivered in FIFO to the claim owner handle.

`POS_CX_EVENT_ATTR_CONTROL`

Control level priority delivered in FIFO to the claim owner handle.

`POS_CX_EVENT_ATTR_BCAST_CONTROL`

Control level priority delivered in FIFO to ALL open handles on the driver.

Remarks

PosCx will deliver all Control level events before Data level events.

POS_CX_EVENT_ATTRIBUTES - NtDoc