ACX_EVENT_ITEM - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// acxrequest.h

typedef struct _ACX_EVENT_ITEM {
  const GUID                           *Set;
  ULONG                                Id;
  ULONG                                Flags;
  PFN_ACX_OBJECT_PROCESS_EVENT_REQUEST EvtAcxObjectProcessRequest;
  PVOID                                Reserved;
} ACX_EVENT_ITEM, *PACX_EVENT_ITEM;
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (ns-acxrequest-acx_event_item)

Description

The ACX_EVENT_ITEM structure describes an event item that is the target of an ACX request.

Members

Set

Specifies a GUID that identifies a KS (kernel streaming) event item set.

Id

Specifies the member of the event set.

Flags

The Flags field can be used to set the following Flags defined in the AcxRequest header.

#define ACX_EVENT_ITEM_FLAG_NONE                0x00000000
#define ACX_EVENT_ITEM_FLAG_ENABLE              0x00000001 // KSEVENT_TYPE_ENABLE
#define ACX_EVENT_ITEM_FLAG_BASICSUPPORT        0x00000200 // KSEVENT_TYPE_BASICSUPPORT

EvtAcxObjectProcessRequest

The EVT_ACX_OBJECT_PROCESS_REQUEST callback event handler associated with this item.

Reserved

This field is reserved.

Remarks

Example

Example usage is shown below.

ACX requirements

Minimum ACX version: 1.0

For more information about ACX versions, see ACX version overview.

See also

View the official Windows Driver Kit DDI reference

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