FltGetActivityIdCallbackData function (fltkernel.h)

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

Syntax

NTSTATUS FLTAPI FltGetActivityIdCallbackData(
  [in]  PFLT_CALLBACK_DATA CallbackData,
  [out] LPGUID             Guid
);

[in] CallbackData

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

[out] Guid

A pointer to the GUID structure receiving the activity ID.

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.

Requirement	Value
Minimum supported client	Available starting with Windows 8.
Target Platform	Universal
Header	fltkernel.h (include Fltkernel.h)
Library	FltMgr.lib
DLL	Fltmgr.sys
IRQL	<= DISPATCH_LEVEL