cgGetParameterEffect

> # NAME

> cgGetParameterEffect - get a parameter's parent program

> # SYNOPSIS

>       #include <Cg/cg.h>

>       CGeffect cgGetParameterEffect( CGparameter param );

> # PARAMETERS

> param

>   The parameter.

> # RETURN VALUES

> Returns a CGeffect handle to the parent effect.

> Returns NULL if the parameter is not a child of an effect or if an error occurs.

> # DESCRIPTION

> cgGetParameterEffect allows the application to retrieve a handle to the effect to which a given parameter belongs.

> # EXAMPLES

> to-be-written

> # ERRORS

> CG_INVALID_PARAM_HANDLE_ERROR is generated if param is not a valid parameter.

> # HISTORY

> cgGetParameterEffect was introduced in Cg 1.5.

> # SEE ALSO

> cgCreateEffect, cgGetParameterProgram, cgCreateParameter