gets or sets a value indicating whether the trust manager should cache state for this application, to facilitate future requests to determine application trust 获取或设置一个值,该值指示信任关系管理器是否应为此应用程序缓存状态,以便于将来的请求确定应用程序信任。
the city list is retrieved from the nws using a private method if the nws is online and from a file if the nws is not online, and the method caches state and city information to improve performance 在nws在线的情况下使用私有方法来从nws检索城市列表,在nws不在线的情况下从文件中检索城市列表,该方法把州和城市信息存在高速缓存中以提高性能。