如何在平台无关的路径中和已编译的程序集文件夹外部创建log4net日志文件

Question

I have the "File" param value set as below in the log4net.config.

<param name="File" value="Logger.log"/>

And the Logger.log file is created in the folder of compiled assemblies. I want the logger to be created outside of the bin folder, and also I do not want to provide the fully qualified path, since I want it to be platform independent. Please help me on this issue.

Answer 1

With in the FileAppender it's possible to define the file path using properties defined elsewhere. In this example, the LogPath property can be supplied by your application via the log4net.GlobalContext :

<file type="log4net.Util.PatternString" value="%property{LogPath}Logger.log" />

Set the value of the property before calling the XmlConfigurator :

log4net.GlobalContext.Properties["LogPath"] = @"C:\SomePath\";
log4net.Config.XmlConfigurator.Configure();