> # NAME

> cgIsAnnotation - determine if an annotation handle references a valid annotation

> # SYNOPSIS

>       #include <Cg/cg.h>

>       CGbool cgIsAnnotation( CGannotation ann );

> # PARAMETERS

> ann

>   The annotation handle to check.

> # RETURN VALUES

> Returns CG_TRUE if ann references a valid annotation.

> Returns CG_FALSE otherwise.

> # DESCRIPTION

> cgIsAnnotation returns CG_TRUE if ann references a valid annotation, CG_FALSE otherwise.

> # EXAMPLES

> to-be-written

> # ERRORS

> None.

> # HISTORY

> cgIsAnnotation was introduced in Cg 1.4.

> # SEE ALSO

> cgGetNextAnnotation, cgGetAnnotationName, cgGetAnnotationType, cgCreateEffectAnnotation, cgCreateParameterAnnotation, cgCreatePassAnnotation, cgCreateProgramAnnotation, cgCreateTechniqueAnnotation