文件存在于Windows资源管理器和记事本中，但是在我的程序中无法访问 [英] File exists in Windows Explorer and notepad, but is not accessable in my program

问题描述

为什么会出现以下问题?

Why does the following problem happen?

场景:

• 确保已安装IIS
• 使用管理员执行"notepad %WINDIR%\System32\inetsrv\config\applicationHost.config" 帐户

• Make sure that IIS is installed
• Execute "notepad %WINDIR%\System32\inetsrv\config\applicationHost.config" using admin account

实际结果:文件已在记事本中成功打开

Actual Result: the file is successfully opened in notepad

• 在管理员帐户的上下文中执行以下代码:

• Execute the following code in admin account's context:

string filePath = @"%WINDIR%\System32\inetsrv\config\applicationHost.config";
Console.WriteLine(File.Exists(Environment.ExpandEnvironmentVariables(filePath)));

实际结果:错误

预期结果:是

推荐答案

问题是，如果您在64位OS上运行32位应用程序，则.Net框架会自动将请求从%WINDIR%\System32重定向到%WINDIR%\SysWOW64.

The problem is if you are running a 32-bit application on a 64-bit OS, the .Net framework automatically redirects the request from %WINDIR%\System32 to %WINDIR%\SysWOW64.

如果将项目更改为64位目标，这将解决您的问题.

If you change your project to target 64-bit, this will solve your problem.

您还可以通过将System32更改为

You can also resolve the problem by changing System32 to sysnative, but only if you leave the application as a 32-bit app:

string filePath = @"%WINDIR%\sysnative\inetsrv\config\applicationHost.config";

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