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