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FwpmProviderContextGetByKey2 function (fwpmk.h)

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The FwpmProviderContextGetByKey2 function retrieves a provider context.

Syntax

NTSTATUS FwpmProviderContextGetByKey2(
  [in] HANDLE                 engineHandle,
       const GUID             *key,
       FWPM_PROVIDER_CONTEXT2 **providerContext
);

Parameters

[in] engineHandle

Handle for an open session to the filter engine. Call FwpmEngineOpen0 to open a session to the filter engine.

key

Pointer to a GUID that uniquely identifies the provider context. This is a pointer to the same GUID that was specified when the application called FwpmProviderContextAdd2 for this object.

providerContext

The provider context information.

Return value

Return code/value Description
ERROR_SUCCESS
0		 The provider context was retrieved successfully.
FWP_E_* error code
0x80320001—0x80320039		 A Windows Filtering Platform (WFP) specific error. See WFP Error Codes for details.
RPC_* error code
0x80010001—0x80010122		 Failure to communicate with the remote or local firewall engine.
Other NTSTATUS codes An error occurred.

Remarks

The caller must free the returned object by a call to FwpmFreeMemory0.

The caller needs FWPM_ACTRL_READ access to the provider context. See Access Control for more information.

FwpmProviderContextGetByKey0 is a specific implementation of FwpmProviderContextGetByKey. 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
Library fwpkclnt.lib
IRQL <= PASSIVE_LEVEL

See also

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