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FwpmProviderContextSubscriptionsGet0 function

The FwpmProviderContextSubscriptionsGet0 function retrieves an array of all the current provider context change notification subscriptions.

Syntax

C++


DWORD WINAPI FwpmProviderContextSubscriptionsGet0(
  _In_   HANDLE engineHandle,
  _Out_  FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0 ***entries,
  _Out_  UINT32 *numEntries
);

Parameters

engineHandle [in]

Type: HANDLE

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

entries [out]

Type: FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0***

The current provider context change notification subscriptions.

numEntries [out]

Type: UINT32*

The number of entries returned.

Return value

Type: DWORD

Return code/value	Description
ERROR_SUCCESS 0	The subscriptions were 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 returned array (but not the individual entries in the array) must be freed through a call to FwpmFreeMemory0.

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

FwpmProviderContextSubscriptionsGet0 is a specific implementation of FwpmProviderContextSubscriptionsGet. See WFP Version-Independent Names and Targeting Specific Versions of Windows for more information.

Requirements

Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2008 [desktop apps only]
Header	Fwpmu.h
Library	Fwpuclnt.lib
DLL	Fwpuclnt.dll

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