While newer versions exist, 1.2.10.0 remains in use in many legacy and enterprise applications due to its proven stability, minimal dependencies, and straightforward configuration model. This article provides a deep dive into this specific version.

To configure log4net using an XML file:

public void ProcessOrder(int orderId)

var consoleAppender = new ConsoleAppender(); consoleAppender.Layout = patternLayout; consoleAppender.ActivateOptions(); hierarchy.Root.AddAppender(consoleAppender); hierarchy.Root.Level = Level.Info; hierarchy.Configured = true;