难道FileStream.Dispose立即关闭该文件？ [英] Does FileStream.Dispose close the file immediately?

问题描述

我有一些code，通过使用MemoryStream.WriteTo保存的MemoryStream到一个FileStream写入一个文件（）。该文件后关闭它被再次打开，阅读一些metdata ...

I have some code that writes a file by saving a MemoryStream to a FileStream using MemoryStream.WriteTo(). After the file is closed it is opened up again to read some metdata...

本作品约80 - 90％的时间。其他的20％我得到一个异常说，该文件是由另一个进程使用。

This works about 80 - 90% of the time. The other 20% I get an exception saying the file is "in use by another process".

难道FileStream.Dispose（）不同步释放资源？是不是有什么打算降低对Win32的土地，我不知道呢？我没有看到任何明显的净文档。

Does FileStream.Dispose() not release resources synchronously? Is there something going on lower in Win32 land I'm not aware of? I'm not seeing anything obvious in the .Net documentation.

推荐答案

由于立即成为可能。有可以方便地将一定的滞后性，由于<打击>优秀写入，延迟更新目录信息等，也可能是反病毒软件检查您更改的文件。

As "immediately" as possible. There can easily be some lag due to outstanding writes, delay in updating the directory info etc. It could also be anti-virus software checking your changed file.

这可能是一个罕见的情况下，一个的Thread.Sleep（1）被调用。但是是完全安全的，你将不得不赶上（任何​​）异常，然后再试一次次的一组数字。

This may be a rare case where a Thread.Sleep(1) is called for. But to be totally safe you will have to catch the (any) exception and try again a set number of times.

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