textLineThroughWidth 属性
获取 "text-line-through-width" 的值
实现
String get textLineThroughWidth =>
getPropertyValue('text-line-through-width');
设置 "text-line-through-width" 的值
实现
set textLineThroughWidth(String value) {
setProperty('text-line-through-width', value, '');
}