// dispmprt.h

typedef enum _DXGK_EVENT_TYPE {
  DxgkUndefinedEvent,
  DxgkAcpiEvent,
  DxgkPowerStateEvent,
  DxgkDockingEvent,
  DxgkChainedAcpiEvent
} DXGK_EVENT_TYPE, *PDXGK_EVENT_TYPE;
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Windows Driver Kit DDI reference (ne-dispmprt-_dxgk_event_type)

_DXGK_EVENT_TYPE enumeration

Description

The DXGK_EVENT_TYPE enumeration indicates the event type in a call to the display miniport driver's DxgkDdiNotifyAcpiEvent function.

Constants

`DxgkUndefinedEvent`

Indicates that a variable of type DXGK_EVENT_TYPE has not yet been assigned a meaningful value.

`DxgkAcpiEvent`

Indicates that the event is an ACPI event.

`DxgkPowerStateEvent`

Indicates that the event is a power state event.

`DxgkDockingEvent`

Indicates that the event is a docking event.

`DxgkChainedAcpiEvent`

Indicates that the ACPI event was sent to the integrated adapter but has been redirected to the driver for the discrete adapter.

Supported by WDDM 2.1 and later drivers.

DXGK_EVENT_TYPE - NtDoc