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FwpmCalloutGetByKey0 (Compact 7)

3/12/2014

This function retrieves a callout object.

Syntax

DWORD WINAPI FwpmCalloutGetByKey0(
  __in   HANDLE engineHandle,
  __in   const GUID* key,
  __ deref_out  FWPM_CALLOUT0** callout
);

Parameters

  • engineHandle
    [in] A handle for an open session to the filter engine. Call FwpmEngineOpen0 to open a session to the filter engine.
  • key
    [in] A pointer to a GUID that uniquely identifies the callout. This GUID was specified in the calloutKey member of the callout parameter when the application called FwpmCalloutAdd0 for this object.
  • callout
    [deref, out] Pointer to the address of a FWPM_CALLOUT0 structure containing the callout information.

Return Value

Value Description

ERROR_SUCCESS

0

The callout 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 callout. See WFP Access Right Identifiers for more information.

Requirements

Header

fwpmu.h

Library

fwpuclnt.dll

See Also

Reference

WFP Callout Management
WFP Management Functions
FwpmFreeMemory0
WFP Access Right Identifiers

Other Resources

Windows Filtering Platform