CastelWindsor Demo

  class Program
     {
         static void Main(string[] args)
         {
             var container = new WindsorContainer();
             container.Install(FromAssembly.This());

             var king = container.Resolve<IKing>("King1");
             king.SayHello();
             var king2 = container.Resolve<IKing>("King2");
             king2.SayHello();
             Console.Read();

         }
     }
     public class RepositoriesInstaller : IWindsorInstaller
     {
         public void Install(IWindsorContainer container, IConfigurationStore store)
         {
             //container.Register(Classes.FromThisAssembly()
             //                    .Where(Component.IsInSameNamespaceAs<King>())
             //                    .WithService.DefaultInterfaces()
             //                    .LifestyleTransient());
             //container.Register(Classes.FromThisAssembly()
             //                    .Where(Component.IsInSameNamespaceAs<King2>())
             //                    .WithService.DefaultInterfaces()
             //                    .LifestyleTransient());
             container.Register(Component.For(typeof(IKing))
                 .ImplementedBy(typeof(King1))
                 .Named("King1").LifestyleTransient());
             container.Register(Component.For(typeof (IKing))
                 .ImplementedBy(typeof (King2))
                 .Named("King2").LifestyleTransient());
         }
     }

     public interface IKing
     {
         void SayHello();
     }

     public class King1 : IKing
     {
         public void SayHello()
         {
             Console.WriteLine("Hello i am the first king1");
         }
     }

     public class King2 : IKing
     {
         public void SayHello()
         {
             Console.WriteLine("Hello i am the first king2");
         }
     }

https://github.com/castleproject/Windsor/blob/master/docs/README.md