BdaPropertyGetControllingPinId - NtDoc
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headers
// bdasup.h
NTSTATUS BdaPropertyGetControllingPinId(
[in] PIRP Irp,
[in] PKSP_BDA_NODE_PIN Property,
[out, optional] PULONG pulControllingPinId
);
View the official Windows Driver Kit DDI referenceNo description available.
The BdaPropertyGetControllingPinId function retrieves the identifier of a pin on which to control the properties, methods, and events of a specific node.
Irp [in]Points to the IRP for the request to retrieve the controlling pin for a node. The BDA minidriver receives this IRP with the KSPROPERTY_BDA_CONTROLLING_PIN_ID request.
Property [in]Points to a KSP_BDA_NODE_PIN structure that describes the property and request type of the property request to retrieve the controlling pin for a node.
pulControllingPinId [out, optional]Points to a variable that receives the identifier of the controlling pin for a node.
Returns STATUS_SUCCESS or an appropriate error code.
A BDA minidriver calls the BdaPropertyGetControllingPinId function to retrieve the identifier of the controlling pin for a node after the minidriver receives a KSPROPERTY_BDA_CONTROLLING_PIN_ID request of the KSPROPSETID_BdaTopology property set from the network provider. Most BDA minidrivers can define dispatch and filter-automation tables so that those minidrivers dispatch the BdaPropertyGetControllingPinId function directly, without intercepting this request using an internal get-handler (KStrGetPropertyHandler). See Defining Automation Tables and Determining BDA Device Topology for more information.
KSPROPERTY_BDA_CONTROLLING_PIN_ID