UsbPm_RetrieveConnectorState - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// usbpmapi.h

NTSTATUS UsbPm_RetrieveConnectorState(
  [In]  USBPM_CLIENT           ClientHandle,
  [In]  USBPM_CONNECTOR        ConnectorHandle,
  [Out] PUSBPM_CONNECTOR_STATE ConnectorState
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-usbpmapi-usbpm_retrieveconnectorstate)

UsbPm_RetrieveConnectorState function

Description

Retrieves the current state of a connector. Unlike connector properties, state information is dynamic, which can change at runtime.

Parameters

ClientHandle [In]

The handle that the client driver received in a previous call to UsbPm_Register.

ConnectorHandle [In]

The connector handle provided by Policy Manager when it calls the driver's implementation of EVT_USBPM_EVENT_CALLBACK. The handle is set in the EventData.ConnectorStateChange.ConnectorHandle member of the _Params_ value.

ConnectorState [Out]

A pointer to a driver-provided USBPM_CONNECTOR_STATE structure that receives the connector state. Initialize the structure by calling USBPM_CONNECTOR_STATE_INIT.

Return value

Returns STATUS_SUCCESS if the operation succeeds. Otherwise, returns an appropriate NTSTATUS value.

Remarks

See also

UsbPm_Register

EVT_USBPM_EVENT_CALLBACK

View the official Windows Driver Kit DDI reference

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