(PECL haru >= 0.0.1)
HaruAnnotation::setOpened — Set the initial state of the annotation
$opened
) : boolDefines whether the annotation is initially displayed open. This function may be used with text annotations only.
opened
TRUE means the annotation is initially displayed open, FALSE -
means it's closed.
Returns TRUE on success.
发生错误时抛出 HaruException 异常。