private void FileSystemWatcher(string path)
{
FileSystemWatcher watcher = new FileSystemWatcher();
try
{
watcher.Path = path;
}
catch (ArgumentException e)
{
Record("错误：" + e.Message);
return;
}
watcher.NotifyFilter = NotifyFilters.DirectoryName | NotifyFilters.FileName | NotifyFilters.CreationTime | NotifyFilters.Size;
watcher.IncludeSubdirectories = true;
watcher.EnableRaisingEvents = true;
watcher.Filter = "*.*";
watcher.Created += new FileSystemEventHandler(this.FileChange_EventHandle);
watcher.Deleted += new FileSystemEventHandler(this.FileChange_EventHandle);
watcher.Changed += new FileSystemEventHandler(this.FileChange_EventHandle);
watcher.Renamed += new RenamedEventHandler(this.FileChange_Renamed);

}
DateTime lastRead = DateTime.MinValue;
private void FileChange_EventHandle(object source, FileSystemEventArgs e)
{
//Record("测试FileChange_EventHandle");
DateTime lastWriteTime = File.GetLastWriteTime(e.FullPath);
if (lastRead != lastWriteTime)
{
Record($"测试FileChange_EventHandle_{e.ChangeType.ToString()}\r\n{lastRead.ToString()}\r\n{lastWriteTime.ToString()}\r\n{e.FullPath}\r\n{DateTime.Compare(lastRead, lastWriteTime)}");
lastRead = lastWriteTime;
}

}