set-style in brush%

Sets the brush's style. See brush% for information about the possible styles.

A brush cannot be modified if it was obtained from a brush-list% or while it is selected into a drawing context.

• (send a-brush set-style style) -> void
     style : symbol in '(transparent solid opaque xor bdiagonal-hatch crossdiag-hatch fdiagonal-hatch cross-hatch horizontal-hatch vertical-hatch)