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FwpmBfeStateGet0 function (fwpmk.h)
The FwpmBfeStateGet0 function retrieves the current state of the filter engine.
Syntax
FWPM_SERVICE_STATE FwpmBfeStateGet0();
Return value
The FwpmBfeStateGet0 function returns one of the following values.
| Return code | Description |
|---|---|
| FWPM_SERVICE_STOPPED | The filter engine is not running. |
| FWPM_SERVICE_START_PENDING | The filter engine is starting. |
| FWPM_SERVICE_STOP_PENDING | The filter engine is stopping. |
| FWPM_SERVICE_RUNNING | The filter engine is running. |
Remarks
A callout driver calls the FwpmBfeStateGet0 function to retrieve the current state of the filter engine. For a callout driver to open a session to the filter engine, the filter engine must be currently running.
Before calling FwpmBfeStateGet0, the callout driver must call the FwpmBfeStateSubscribeChanges0 function to register a callback function that is called whenever the state of the filter engine changes.
FwpmBfeStateGet0 is a specific version of FwpmBfeStateGet. See WFP Version-Independent Names and Targeting Specific Versions of Windows for more information.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Available starting with Windows Vista. |
| Target Platform | Universal |
| Header | fwpmk.h (include Fwpmk.h) |
| Library | Fwpkclnt.lib |
| IRQL | <= DISPATCH_LEVEL |
See also
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