RIA 1.0

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The Managed Extensibility Framework (MEF) is a new library in Silverlight 4 for building applications that can be incrementally extended. > For customers > For you and your team > Always there, always ready

Demo

Widget1 [Export(typeof(UserControl))] public class Widget1 : UserControl { public string Message { get{return(string) Button.Content;} set{Button.Content=value;} } Export

Widget1 [Export(typeof(UserControl))] public class Widget1 : UserControl { [Import] public string Message { get{return(string) Button.Content;} set{Button.Content=value;} } Import

Widget1 [Export(typeof(UserControl))] public class Widget1 : UserControl { [Import(“HelloMEF.Message”)] public string Message { get{return(string) Button.Content;} set{Button.Content=value;} } Import

Main Page [Export(typeof(UserControl))] public class MainPage: UserControl { [ImportMany(typeof(UserControl))] public IEnumerable { get;set; } ImportMany

Compose it. PartIntializer: “Compose yourself” Main Page Compose public MainPage() { InitializeComponent(); PartInitializer.SatisfyImports(this); }

Widget1 [ExportMetadata(“Location”,Location.Top)] [Export(typeof(UserControl))] public class Widget1 : UserControl { public string Message { get{return(string) Button.Content;} set{Button.Content=value;} } Export

Main Page [Export(typeof(UserControl))] public class MainPage: UserControl { [ImportMany(typeof(UserControl))] public IEnumerable { get;set; } ImportMany

Widget1 [ExportMetadata(“Location”,Location.Top)] [Export(typeof(UserControl))] public class Widget1 : UserControl { public string Message { get{return(string) Button.Content;} set{Button.Content=value;} } Export

Widget1 [Widget(Location=Location.Top)] public class Widget1 : UserControl { public string Message { get{return(string) Button.Content;} set{Button.Content=value;} } Export

Demo

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