DirectoryInfo Delete mothod is throw exception

[Gao996]

Pri.LongPath.DirectoryInfo pathInfo = new Pri.LongPath.DirectoryInfo(path);
pathInfo.Delete(true);

The directory is not empty.
Location: in Pri.LongPath.Directory.Delete(String path)
In Pri.LongPath.Directory.Delete(String path, Boolean recursive)
In Pri.LongPath.Directory.Delete(String path, Boolean recursive)
In Pri.LongPath.Directory.Delete(String path, Boolean recursive)
In Pri.LongPath.Directory.Delete(String path, Boolean recursive)
In Pri.LongPath.DirectoryInfo.Delete(Boolean recursive)

[Gao996]

Occasionally