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The FwpmNetEventSubscribe1 function is used to request the delivery of notifications regarding a particular net event.
Note FwpmNetEventSubscribe1 is the specific implementation of FwpmNetEventSubscribe used in Windows 8 and later. See WFP Version-Independent Names and Targeting Specific Versions of Windows for more information. For Windows 7, FwpmNetEventSubscribe0 is available.
Syntax
DWORD FwpmNetEventSubscribe1(
[in] HANDLE engineHandle,
[in] const FWPM_NET_EVENT_SUBSCRIPTION0 *subscription,
[in] FWPM_NET_EVENT_CALLBACK1 callback,
[in, optional] void *context,
[out] HANDLE *eventsHandle
);
Parameters
[in] engineHandle
Type: HANDLE
Handle for an open session to the filter engine. Call FwpmEngineOpen0 to open a session to the filter engine.
[in] subscription
Type: FWPM_NET_EVENT_SUBSCRIPTION0*
The notifications which will be delivered.
[in] callback
Type: FWPM_NET_EVENT_CALLBACK1
Function pointer that will be invoked when a notification is ready for delivery.
[in, optional] context
Type: void*
Optional context pointer. This pointer is passed to the callback function along with details of the event.
[out] eventsHandle
Type: HANDLE*
Handle to the newly created subscription.
Return value
Type: DWORD
| Return code/value | Description |
|---|---|
|
The subscription was created successfully. |
|
A Windows Filtering Platform (WFP) specific error. See WFP Error Codes for details. |
|
Failure to communicate with the remote or local firewall engine. |
Remarks
This function cannot be called from within a transaction. It will fail with FWP_E_TXN_IN_PROGRESS. See Object Management for more information about transactions.
The caller needs FWPM_ACTRL_SUBSCRIBE access to the net event's container.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8 [desktop apps only] |
| Minimum supported server | Windows Server 2012 [desktop apps only] |
| Target Platform | Windows |
| Header | fwpmu.h |
| Library | Fwpuclnt.lib |
| DLL | Fwpuclnt.dll |