System.IO未找到通过subst命令生成的路径 [英] Path generated via subst-command not found by System.IO

问题描述

上下文:

• 系统有一个硬盘和一个驱动器("C:\")
• 所需的路径位于F:\ eventlogging

我做了什么:

• 我执行了subst cmd来生成F:\驱动器(从C:\)

• I executed the subst cmd in order to generate the F:\ drive (from C:\)

添加了目录"eventlogging"

Added the directory "eventlogging"

问题:

• 在代码中，某些部分将其写入F:\ eventlogging内部的文件中
• 引发异常:System.IO.DirectoryNotFoundException:System.IO.DirectoryNotFoundException:无法找到路径的一部分"F:\ eventlogging \" ..

我尝试过的事情:

• 在浏览器中输入路径即可(进入路径)
• 以cmd格式显示到此路径的效果也很好

其他信息:

• 代码无法更改(许多项目的通用基础)

推荐答案

如果使用提升的提示映射驱动器，则在非管理员帐户下该驱动器将不可见.

If you mapped the drive with an elevated prompt, it will be invisible under non-admin accounts.

您可以以管理员身份运行程序，也可以使用对管理员和非管理员帐户均可见的其他方法.这涉及将以下项添加到注册表中(将以下行复制/粘贴到"temp.reg" 文件中，然后双击它):

You can either run your program as an adminstrator, or use a different method which is visible to both admin and non-admin accounts. This involves adding the following key to the registry (copy/paste the following line into a "temp.reg" file, and double-click it):

REGEDIT4 

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\DOS Devices] 
"F:"="\\??\\C:"

其他好处是，这种方法在重新启动后是持久的.

Additional benefit is that this approach is persistent across reboots.

注意:如果您打算使用regedit.exe手动添加密钥，请不要转义反斜杠(即，将每个 \\ 替换为 \ 中的表达式)，并且在这种情况下也没有引号(您可以在 DOS Devices 键中添加一个新的 String Value ，将名称设置为 F:，并将数据存储到 \ ?? \ C:)

Note: If you are planning to add the key manually using regedit.exe, do not escape the backslashes (i.e. replace each \\ with \ in the expression above), and there are no quotes in that case too (you would add a new String Value to the DOS Devices key, set name to F:, and data to \??\C:)

您还需要重新启动系统才能使它生效.

You also need to restart the system for this to take effect.

另外:我知道您写过代码无法更改，但是仍然要强调:使用配置文件而不是硬编码路径显然是任何应用程序的正确方法(或更简单的是放置日志)当前用户 AppData \ Local 文件夹中的某个位置).使用默认设置为 f:\ eventlogging 重建此公共基础不会破坏其他应用程序，但可以让您拥有这种灵活性.所有其他硬编码设置和整个代码中的幻数也是如此.所有日志记录框架都使用配置文件来配置其输出.

Also: I am aware you wrote that the code cannot be changed, but it should be emphasized nevertheless: using a config file instead of hard-coded paths would obviously be the right approach with any application (or even simpler, placing logs somewhere inside current users AppData\Local folder). Rebuilding this common base with a default set to f:\eventlogging wouldn't break other apps, but would allow you to have this flexibility. Same goes for all other hard-coded settings and magic numbers across your code. All logging frameworks use config files to configure their outputs.

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