// d3dkmddi.h

typedef enum _DXGK_ACTIVE_VIDPN_INVALIDATION_REASON {
  DXGK_AVIR_UNINITIALIZED,
  DXGK_AVIR_HOTKEY,
  DXGK_AVIR_USERMODE
} DXGK_ACTIVE_VIDPN_INVALIDATION_REASON;
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Windows Driver Kit DDI reference (ne-d3dkmddi-_dxgk_active_vidpn_invalidation_reason)

_DXGK_ACTIVE_VIDPN_INVALIDATION_REASON enumeration

Description

The DXGK_ACTIVE_VIDPN_INVALIDATION_REASON enumeration is used to indicate the reason why an active VidPN is invalidated and a new VidPN is requested.

Constants

`DXGK_AVIR_UNINITIALIZED`

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

`DXGK_AVIR_HOTKEY`

Indicates that the user pressed a keyboard shortcut to change the set of monitors (or other display devices) being used to display the desktop.

`DXGK_AVIR_USERMODE`

Indicates that a call to the D3DKMTInvalidateActiveVidPn function has been made in user mode.

DXGK_ACTIVE_VIDPN_INVALIDATION_REASON - NtDoc