D3DDDIARG_SETLIGHT structure (d3dumddi.h)

The D3DDDIARG_SETLIGHT structure describes how to set light properties.

Syntax

typedef struct _D3DDDIARG_SETLIGHT {
  [in] UINT                 Index;
  [in] D3DDDI_SETLIGHT_TYPE DataType;
} D3DDDIARG_SETLIGHT;

[in] Index

An index into an array of lights.

[in] DataType

A valid bitwise OR of the following flags that indicate the type of light data:

Value	Meaning
D3DDDISETLIGHT_DATA	Specifies that a pointer to a D3DDDI_LIGHT structure that defines light properties is supplied in the pLightProperties parameter in a call to the user-mode display driver's SetLight function.
D3DDDISETLIGHT_ENABLE	Enables the light whose index is specified in the Index member.
D3DDDISETLIGHT_DISABLE	Disables the light whose index is specified in Index.

Requirement	Value
Minimum supported client	Available in Windows Vista and later versions of the Windows operating systems.
Header	d3dumddi.h (include D3dumddi.h)