KSRELATIVEEVENT - NtDoc

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

typedef struct {
  ULONG       Size;
  ULONG       Flags;
  union {
    HANDLE ObjectHandle;
    PVOID  ObjectPointer;
  };
  PVOID       Reserved;
  KSEVENT     Event;
  KSEVENTDATA EventData;
} KSRELATIVEEVENT;
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (ns-ks-ksrelativeevent)

KSRELATIVEEVENT structure

Description

The KSPROPERTY_CONNECTION_STARTAT property is passed a KSRELATIVEEVENT structure.

Members

Size

Specifies the inclusive size of the structure, including any event specific data appended to the EventData member.

Flags

Specifies what type of object is specified in the ObjectHandle and ObjectPointer union.

ObjectHandle

Specifies the handle of the object supporting the event to be used if the Flags member contains the KSRELATIVEEVENT_FLAG_HANDLE flag.

ObjectPointer

Specifies a pointer to the object supporting the event to be used if the Flags member contains the KSRELATIVEEVENT_FLAG_POINTER flag. This is valid only for kernel-mode clients.

Reserved

Reserved and set to zero.

Event

A KSEVENT structure that contains the event to be used.

EventData

A KSEVENTDATA structure that specifies the header for the event-specific data. The header itself is not actually used except as a starting point to access the event-specific data, and must be initialized to zero.

View the official Windows Driver Kit DDI reference

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