Is called when changes are made to the size, system attributes, last write time, last access time, or security permissions of a file or directory in the directory being monitored.

当对正在监视的目录中的文件或目录的大小、系统属性、上次写入时间、上次访问时间或安全权限进行更改时，调用。

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For example, it might check to see if the last-write-time or file size had changed since the last update.

例如，可检查从上次同步起，最后写入时间或文件大小是否发生变化。

youdao

For example, it might check to see if the last-write-time or file size had changed since the last update.

例如，可检查从上次同步起，最后写入时间或文件大小是否发生变化。

youdao