The following works for me. Is this roughly what you are after?
public static void TestAddingAppender()
{
log4net.ILog log = log4net.LogManager.GetLogger("MyTestLogger");
log.Info("Not going to log");
ConfigureFileAppender("log.txt");
log.Info("But this is");
}
public static void ConfigureFileAppender(string fileName)
{
log4net.Repository.Hierarchy.Hierarchy h =
(log4net.Repository.Hierarchy.Hierarchy)log4net.LogManager.GetLoggerRepo
sitory();
log4net.Appender.FileAppender appender = new
log4net.Appender.FileAppender();
appender.File = fileName;
appender.AppendToFile = true;
log4net.Layout.PatternLayout layout = new
log4net.Layout.PatternLayout();
layout.ConversionPattern = "%d [%t] %-5p %c [%x] - %m%n";
layout.ActivateOptions();
appender.Layout = layout;
appender.ActivateOptions();
h.Root.AddAppender(appender);
h.Configured = true;
}
> -----Original Message-----
> From: Chastain, Roy [mailto:[EMAIL PROTECTED]
> Sent: 17 November 2004 19:20
> To: 'log4net-user@logging.apache.org'
> Subject: How to dynamically setup logging
>
> I have an application that may or may not want to log using
> the RollingFileAppender. I have many places that call
> GetLogger. It appears that if a call to GetLogger is done
> before the appended is added to the collection
> (Hierarchy->Root->AddAppender(the_new_appender) that the
> logger that is returned from the GetLogger call does not log
> to that appender.
>
> I guess that the above is reasonable operation, but how does
> one do this all this totally dynamically while the program is running.
>
> Problem is
> My code is in a DLL and the application program calls me to
> initialize and/or terminate logging. It wants to pass me a
> file name to log to and does not pass me that name until it
> wants logging enabled. I don't see a way to initialize the
> appender with no file name and if I don't initialize the
> appender prior to calling GetLogger the logging does not work.
>
> Have a missed a basic premise of this product, or is this
> indeed a catch 22.
>
> Thanks
> -----------------------------------------------------------------
> Roy Chastain
> KMSystems, Inc.
> 3225 Shallowford Road
> Suite 1000
> Marietta, GA 30062
> 770 635-6352 - Voice
> 770 635-6351 - FAX
> http://www.kmsys.com
>
>
