FwpmProviderContextGetByKey2 function

The FwpmProviderContextGetByKey2 function retrieves a provider context.

Note  FwpmProviderContextGetByKey2 is the specific implementation of FwpmProviderContextGetByKey used in Windows 8. See WFP Version-Independent Names and Targeting Specific Versions of Windows for more information. For Windows 7, FwpmProviderContextGetByKey1 is available. For Windows Vista, FwpmProviderContextGetByKey0 is available.
 

Syntax

DWORD FwpmProviderContextGetByKey2(
  HANDLE                 engineHandle,
  const GUID             *key,
  FWPM_PROVIDER_CONTEXT2 **providerContext
);

Parameters

engineHandle

Type: HANDLE

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

key

Type: const GUID*

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

Type: FWPM_PROVIDER_CONTEXT2**

The provider context information.

Return Value

Type: DWORD

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.

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.

Requirements

   
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

See Also

FWPM_PROVIDER_CONTEXT2

FwpmProviderContextAdd2