目录前言正文什么是文件被进程占用？如何判断文件是否被占用？android推荐做法：使用 _lopen 和 CloseHandle参数说明可选方案：使用 FileStream 尝试打开文件总结最后前言
Explanation: Let\'s say I have an object graph that\'s nested several levels deep and each entity has a bi-directional relationship with each other.
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