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NF:fwpmu.FwpmCalloutGetByKey0 |
FwpmCalloutGetByKey0 function (fwpmu.h) |
Retrieves a callout object. (FwpmCalloutGetByKey0) |
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fwp\fwpmcalloutgetbykey0_func.htm |
fwp |
05c5ac43-adf1-419c-8a39-32f8dddd3b98 |
12/05/2018 |
FwpmCalloutGetByKey0, FwpmCalloutGetByKey0 function [Filtering], fwp.fwpmcalloutgetbykey0_func, fwpmu/FwpmCalloutGetByKey0 |
fwpmu.h |
Windows |
Windows Vista [desktop apps only] |
Windows Server 2008 [desktop apps only] |
Fwpuclnt.lib |
Fwpuclnt.dll |
Windows |
19H1 |
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The FwpmCalloutGetByKey0 function retrieves a callout object.
Type: HANDLE
Handle for an open session to the filter engine. Call FwpmEngineOpen0 to open a session to the filter engine.
Type: const GUID*
Unique identifier of the callout. This GUID was specified in the calloutKey member of the callout parameter when the application called FwpmCalloutAdd0 for this object.
Type: FWPM_CALLOUT0**
Information about the state associated with the callout.
Type: DWORD
| Return code/value | Description |
|---|---|
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The callout was retrieved successfully. |
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A Windows Filtering Platform (WFP) specific error. See WFP Error Codes for details. |
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Failure to communicate with the remote or local firewall engine. |
The caller must free the returned object by a call to FwpmFreeMemory0.
The caller needs FWPM_ACTRL_READ access to the callout. See Access Control for more information.
FwpmCalloutGetByKey0 is a specific implementation of FwpmCalloutGetByKey. See WFP Version-Independent Names and Targeting Specific Versions of Windows for more information.