¿Hay alguna forma de agregar %APPDATA% a la ruta de configuración de Log4Net en AssemblyInfo.cs?

I am configuring log4net to use a separate configuration file. This can be done by adding the following line in your AssemblyInfo.cs file.

[assembly: log4net.Config.XmlConfigurator(ConfigFile = "Log4Net.config", Watch = true)]

This location is relative to the program directory, yet I want it in a user's APPDATA folder. Something like:

ConfigFile = @"C:\Users\UserName\AppData\Roaming\MyApplication\Logging\Log4Net.config"

The problem is that this is not a relative path, i.e., a different usernames are not supported etc. What I really want is the following:

ConfigFile = @"%APPDATA%\MyApplication\Logging\Log4Net.config"

This of course does not work. I was hoping that this might fix it:

ConfigFile = @"${APPDATA}\MyApplication\Logging\Log4Net.config"

o esto:

ConfigFile = Path.Combine(

No luck. The two first just thinks it is part of a relative path, the latter is refused since it is in AssemblyInfo:

Error 1 An attribute argument must be a constant expression, typeof expression or array creation expression of an attribute parameter type C:\Source\ ... \Tools\Logging\Logging\Properties\AssemblyInfo.cs 39 56 Logging

Do I have to configure the application to use the custom path at startup? I really don't want to, because I want the code to be as agnostic as possible.

preguntado el 28 de agosto de 12 a las 10:08

1 Respuestas

I ended up performing the configuration at startup. In the implementation of my logging facade I just said:

class Log4NetLogger : ILogger
    public Log4NetLogger(...)
        if (!m_Configured){
            string configFile = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), @"MyApplication\Logging\Log4Net.config");
            log4net.Config.XmlConfigurator.ConfigureAndWatch(new FileInfo(configFile));
            m_Configured = true;

Respondido 28 ago 12, 10:08

I guess I shouldn't hard code the "MyApplication\Logging\Log4Net.config" path either. - André C. Andersen

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