// dispmprt.h

DXGK_BRIGHTNESS_GET_NIT_RANGES DxgkBrightnessGetNitRanges;

NTSTATUS DxgkBrightnessGetNitRanges(
  [in]  PVOID Context,
  [in]  ULONG ChildUid,
  [out] PDXGK_BRIGHTNESS_GET_NIT_RANGES_OUT pOut
)
{...}
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nc-dispmprt-dxgk_brightness_get_nit_ranges)

DXGK_BRIGHTNESS_GET_NIT_RANGES callback function

Description

Implemented by the client driver to retrieve a list of supported nit ranges.

Parameters

`Context` [in]

Context pointer provided when querying the interface.

`ChildUid` [in]

An integer that uniquely identifies the child device. The display miniport driver's DxgkDdiQueryChildRelations function previously provided this identifier to the display port driver.

`pOut:` [out]

A pointer to a DXGK_BRIGHTNESS_GET_NIT_RANGES_OUT structure that represents the supported brightness ranges of the display panel.

Return value

Return STATUS_SUCCESS if the operation succeeds. Otherwise, return an appropriate NTSTATUS Values error code defined in ntstatus.h.

Prototype

//Declaration

DXGK_BRIGHTNESS_GET_NIT_RANGES DxgkBrightnessGetNitRanges;

// Definition

NTSTATUS DxgkBrightnessGetNitRanges
(
    PVOID Context
    ULONG ChildUid
    PDXGK_BRIGHTNESS_GET_NIT_RANGES_OUT pOut
)
{...}

DXGK_BRIGHTNESS_GET_NIT_RANGES

View the official Windows Driver Kit DDI reference