FltGetActivityIdCallbackData - NtDoc

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

NTSTATUS FLTAPI FltGetActivityIdCallbackData(
  [in]  PFLT_CALLBACK_DATA CallbackData,
  [out] LPGUID             Guid
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-fltkernel-fltgetactivityidcallbackdata)

FltGetActivityIdCallbackData function

Description

The FltGetActivityIdCallbackData routine retrieves the current activity ID associated with a request in a minifilter's callback data.

Parameters

CallbackData [in]

A pointer to the callback data containing the request with an associated activity ID.

Guid [out]

A pointer to the GUID structure receiving the activity ID.

Return value

FltGetActivityIdCallbackData returns one of the following NTSTATUS values.

Return code Description
STATUS_NOT_SUPPORTED The callback data does not contain a request for an IRP operation.
STATUS_NOT_FOUND No activity ID is associated with the request in CallbackData.
STATUS_SUCCESS An activity ID was returned in the GUID value pointed to by Guid.

See also

FltPropagateActivityIdToThread

FltSetActivityIdCallbackData

View the official Windows Driver Kit DDI reference

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