Autofac module to write to debug output component resolve and activation messages

LogRequestModule.cs

public class LogRequestModule : Module
	{
		public int depth = 0;

		protected override void AttachToComponentRegistration(IComponentRegistry componentRegistry,
															  IComponentRegistration registration)
		{
			registration.Preparing += RegistrationOnPreparing;
			registration.Activating += RegistrationOnActivating;
			//registration.Activated += RegistrationOnActivated;
			base.AttachToComponentRegistration(componentRegistry, registration);
		}

		private void RegistrationOnActivated(object sender, ActivatedEventArgs<object> e)
		{
			Debug.WriteLine("{0}Activated {1}", GetPrefix(), e.Component.Activator.LimitType);
		}

		private string GetPrefix()
		{
			return new string('-', depth * 2);
		}

		private void RegistrationOnPreparing(object sender, PreparingEventArgs preparingEventArgs)
		{
			Debug.WriteLine("{0}Resolving  {1}", GetPrefix(), preparingEventArgs.Component.Activator.LimitType);
			depth++;
		}

		private void RegistrationOnActivating(object sender, ActivatingEventArgs<object> activatingEventArgs)
		{
			depth--;
			Debug.WriteLine("{0}Activating {1}", GetPrefix(), activatingEventArgs.Component.Activator.LimitType);
		}
	}