simple reflection with interface and attribute c#

gistfile1.txt

using System;
using System.Linq;
using System.Reflection;

namespace reflectos {
	// interface to implement a command
	interface ICommand {
		void Run();
	}

	// attribute to mark implementations with and add meta-data
	class CommandAttribute : Attribute {
		public CommandAttribute(string name) {
			Name = name;
		}
		public string Name { get; private set; }
		public string HelpText { get; set; }
	}

	// los examplos
	[CommandAttribute("example", HelpText = "Epic help.")]
	class Example : ICommand {
		public void Run() {
			Console.WriteLine("Los epicnoss.");
		}
	}

	// los loados example
	class Program {
		static void Main(string[] args) {
			var thisAssembly = Assembly.GetExecutingAssembly();
			var commands = thisAssembly.GetTypes()
				.Where(x => x.GetInterface(typeof(ICommand).FullName) != null)
				.Where(x => x.GetCustomAttribute(typeof(CommandAttribute)) != null)
				.ToDictionary(x=>((CommandAttribute)x.GetCustomAttribute(typeof(CommandAttribute))).Name, x => Activator.CreateInstance(x) as ICommand);
			commands["example"].Run();
		}
	}
}