nc-d3dumddi-pfnd3dddi_createlight.md

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NC:d3dumddi.PFND3DDDI_CREATELIGHT	PFND3DDDI_CREATELIGHT (d3dumddi.h)	The CreateLight function creates a light source.	display\createlight.htm	display	05/10/2018	PFND3DDDI_CREATELIGHT callback function	CreateLight, CreateLight callback function [Display Devices], PFND3DDDI_CREATELIGHT, PFND3DDDI_CREATELIGHT callback, UserModeDisplayDriver_Functions_c6b9e247-5a6b-4e90-bcbd-bc02708ca555.xml, d3dumddi/CreateLight, display.createlight	d3dumddi.h	D3dumddi.h	Desktop	Available in Windows Vista and later versions of the Windows operating systems.														Windows		PFND3DDDI_CREATELIGHT d3dumddi/PFND3DDDI_CREATELIGHT	APIRef kbSyntax	UserDefined	d3dumddi.h	PFND3DDDI_CREATELIGHT

PFND3DDDI_CREATELIGHT callback function

-description

The CreateLight function creates a light source.

-parameters

-param hDevice

A handle to the display device (graphics context).

-param unnamedParam2

pData [in]

A pointer to a D3DDDIARG_CREATELIGHT structure that contains the index into the light array.

-returns

CreateLight should return S_OK or an appropriate error result if it cannot successfully create a light source.

-remarks

The user-mode display driver should enlarge its light array as necessary to accommodate at least as many light sources as specified by the Index member in D3DDDIARG_CREATELIGHT.

-see-also

D3DDDIARG_CREATELIGHT

D3DDDI_DEVICEFUNCS