private void Application_Startup(object sender, StartupEventArgs e)

{

Bootstrapper bootstrapper = new Bootstrapper();

bootstrapper.Run();

}

 [Export]

public partial class Shell : Window

{

public Shell()

{

InitializeComponent();

}

}

using Microsoft.Practices.Prism.MefExtensions;

using System.ComponentModel.Composition.Hosting;

using System.IO;

namespace WpfApplication

{

class Bootstrapper : MefBootstrapper

{

protected override System.Windows.DependencyObject CreateShell()

{

return this.Container.GetExportedValue<Shell>();

}

protected override void InitializeShell()

{

base.InitializeShell();

#if SILVERLIGHT

App.Current.RootVisual = (Shell)this.Shell;

#else

App.Current.MainWindow = (Shell)this.Shell;

App.Current.MainWindow.Show();

#endif

}

protected override void ConfigureAggregateCatalog()

{

base.ConfigureAggregateCatalog();

//加载自身

this.AggregateCatalog.Catalogs.Add(new AssemblyCatalog(this.GetType().Assembly));

//加载目录

if (Directory.Exists("./Modules"))

{

this.AggregateCatalog.Catalogs.Add(new DirectoryCatalog("./Modules"));

}

}

}

}

 [ModuleExport(typeof(MarketModule))]

public class MarketModule: IModule

{

[Import]

public IRegionManager TheRegionManager { private get; set; }

public void Initialize()

{

TheRegionManager.RegisterViewWithRegion("MarketRegion", typeof(MarketView));

}

}

 [Export(typeof(MarketView))]

public partial class MarketView : UserControl

{

public MarketView()

{

InitializeComponent();

}

}