namespace HostApplications
{
	public class MainClass
	{
		private static void TestWithAdapter()
		{
			var plugin = GenericAdapter.LoadPlugin("TestLib", "TestLib.MyPlugin");
			Console.WriteLine("Plugin={0}", plugin.Name);
			GenericAdapter.Unload();
		}

		public static void Main()
		{
			TestWithAdapter();
		}
	}
}

namespace PluginContracts
{
	public interface IPlugin
	{
		string Name { get; }
	}
}

namespace TestLib
{
	public class MyPlugin : MarshalByRefObject, IPlugin
	{
		public string Name
		{
			get { return "MyPlugin"; }
		}
	}
}

namespace PluginAdapter
{
	public class GenericAdapter
	{
		private static AppDomain PluginDomain = null;
		public static IPlugin Plugin;

		public static void Unload()
		{
			Console.WriteLine("Unloading domain: {0}", PluginDomain.FriendlyName);
			AppDomain.Unload(PluginDomain);
		}

		public static IPlugin LoadPlugin(string assemblyName, string typeName)
		{
			if (PluginDomain == null)
				PluginDomain = AppDomain.CreateDomain("plugins");

			try
			{
				Plugin = (IPlugin)PluginDomain.CreateInstanceAndUnwrap(assemblyName, typeName);

				Log.LogLoadedAssemblies(PluginDomain);
				Console.WriteLine();
				Log.LogLoadedAssemblies();
			}
			catch (Exception ex)
			{
				Log.LogException(ex);
			}
			finally
			{
				//if (PluginDomain != null)
					//Unload();
			}
			return Plugin;
		}
	}
}

/**
 * Output
 *
 * Loaded assemblies in appdomain: plugins
 * - mscorlib
 * - Mono.Security
 * - TestLib
 * - PluginContracts

 * Loaded assemblies in appdomain: HostApplication.exe
 * - mscorlib
 * - HostApplication
 * - PluginContracts
 * - PluginAdapter
 * - LogTools
 * - Mono.Security
 * - TestLib
 * Plugin=MyPlugin
 * Unloading domain: plugins
 */