L_VecSetUseLights
#include "lvkrn.h"
L_INT EXT_FUNCTION L_VecSetUseLights(pVector, bUseLights)
pVECTORHANDLE pVector; |
/* pointer to a vector handle */ |
L_BOOL bUseLights; |
/* flag that indicates whether to enable or disable the use of lights */ |
Enables or disables using lights when drawing a vector handle.
Parameter |
Description | |
pVector |
Pointer to a vector handle. | |
bUseLights |
Flag that indicates whether or not to use lights when drawing the vector handle. Possible values are: | |
|
Value |
Meaning |
|
TRUE |
Use lights when drawing a vector handle. |
|
FALSE |
Do not use lights when drawing a vector handle. |
Returns
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Comments
If the use of lights is disabled, ambient light will have no effect on how the image is drawn.
This function has no effect in the GDI engine.
Required DLLs and Libraries
LVKRN For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
See Also
Functions: |
L_VecGetUseLights, L_VecSetAmbientColor, L_VecGetAmbientColor |
Example
/* This example will toggle light use for a vector handle */
void ToggleUseLights( pVECTORHANDLE pVector )
{
if( !L_VecGetUseLights( pVector ) )
L_VecSetUseLights( pVector, TRUE );
else
L_VecSetUseLights( pVector, FALSE );
}