// usbpmapi.h

typedef enum _USBPM_EVENT_TYPE {
  UsbPmEventPolicyManagerArrival,
  UsbPmEventPolicyManagerRemoval,
  UsbPmEventHubArrival,
  UsbPmEventHubRemoval,
  UsbPmEventConnectorStateChange
} USBPM_EVENT_TYPE;
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Windows Driver Kit DDI reference (ne-usbpmapi-_usbpm_event_type)

_USBPM_EVENT_TYPE enumeration

Description

Defines values for types of events. This enumeration is used in the EVT_USBPM_EVENT_CALLBACK callback function.

Constants

`UsbPmEventPolicyManagerArrival`

The Policy Manager has arrived. This is the first callback event after client registration.

`UsbPmEventPolicyManagerRemoval`

The Policy Manager has left.

`UsbPmEventHubArrival`

A new connector hub has arrived.

`UsbPmEventHubRemoval`

A connector hub has been removed.

`UsbPmEventConnectorStateChange`

The connector state has changed.

USBPM_EVENT_TYPE - NtDoc