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FwpmProviderContextGetByKey0 (Compact 7)

  • Article

3/12/2014

This function retrieves a provider context.

Syntax

DWORD WINAPI FwpmProviderContextGetByKey0(
  __in   HANDLE engineHandle,
  __in   const GUID* key,
  __out  FWPM_PROVIDER_CONTEXT0** providerContext
);

Parameters

  • engineHandle
    A 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 FwpmProviderContextAdd0 for this object.
  • providerContext
    Pointer to the address of a FWPM_PROVIDER_CONTEXT0 structure containing 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 topic 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 WFP Access Right Identifiers for more information.

Requirements

Header

fwpmu.h

Library

fwpuclnt.dll

See Also

Reference

WFP Provider Context Management
WFP Functions
WFP Management Functions
FwpmProviderContextAdd0
FwpmProviderContextCreateEnumHandle0
FwpmProviderContextDeleteById0
FwpmProviderContextDeleteByKey0
FwpmProviderContextDestroyEnumHandle0
FwpmProviderContextEnum0
FwpmProviderContextGetById0
FwpmProviderContextSubscribeChanges0

Other Resources

Windows Filtering Platform