另一个进程使用的文件 [英] File used by another process

问题描述

很多次在Windows平台上尝试写入文件时出现错误

Many a times we get an error, while trying to write file on Windows platform,

该进程无法访问文件'XXX'，因为它正在被另一个进程使用."

"The process cannot access the file 'XXX' because it is being used by another process."

在将文件写入其他进程未使用的文件之前，如何检入C#?

How to check in C#, before writing to file that its not being used by another process?

推荐答案

基本上，您不能-必须尝试打开文件进行写入，如果遇到异常，则无法写入该文件:(

You can't, basically - you have to attempt to open the file for writing, and if you get an exception you can't write to it :(

即使您可以先进行单独的检查，结果在开始编写之前也会过时-以后仍然可能出现异常.

Even if you could do a separate check first, the result would be out of date before you could start writing - you could still end up with the exception later.

诚然，如果框架提供了 TryOpen 方法，那就太好了……

It would be nice if the framework provided a TryOpen method, admittedly...

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