[Export]
public class OrderView {
  [Import("OrderViewViewModel")]
  public object ViewModel {
    get{return this.DataContext;}
    set{this.DataContext = value;}
  }
}
 
[Export]
public class SomeOrderViewModel {
}
 
public class OrderViewModelAdapter {
  [Import]
  public SomeOrderViewModel ImportedViewModel {get;set;}
 
  [Export("OrderViewModel")]
  public object ExportedViewModel {
    get{return ImportedViewModel;}
  }
}
 
 
  
}