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Windows Driver Kit DDI reference (nf-acxtargets-acxtargetcircuitgettargetpin)

Description

The AcxTargetCircuitGetTargetPin function, given a valid pin index value, will return the associated ACXTARGETPIN object.

Parameters

`TargetCircuit`

An ACXTARGETCIRCUIT handle. For more information about ACX objects, see Summary of ACX Objects.

`PinIndex`

A valid pin index value.

Return value

Returns a ACXTARGETELEMENT ACX Object that is associated with the specified circuit.

Remarks

Example

    PDSP_CIRCUIT_CONTEXT circuitCtx;
    ACX_REQUEST_PARAMETERS  params;

    circuitCtx = GetDspCircuitContext(Circuit);

    for (ULONG pinIndex = 0; pinIndex < AcxTargetCircuitGetPinsCount(TargetCircuit); ++pinIndex)
    {
        ACXTARGETPIN targetPin = AcxTargetCircuitGetTargetPin(TargetCircuit, pinIndex);
        ULONG targetPinFlow = 0;
        ACX_REQUEST_PARAMETERS_INIT_PROPERTY(&params,
                                             KSPROPSETID_Pin,
                                             KSPROPERTY_PIN_DATAFLOW,
                                             AcxPropertyVerbGet,
                                             AcxItemTypePin,
                                             AcxTargetPinGetId(targetPin),
                                             nullptr, 0,
                                             &targetPinFlow,
                                             sizeof(targetPinFlow));
...

    }

ACX requirements

Minimum ACX version: 1.0

For more information about ACX versions, see ACX version overview.

AcxTargetCircuitGetTargetPin - NtDoc