I am running the latest PRISM 4.2. Unfortunately the Event Aggregator tutorial in the documentation is driven via Unity instead of MEF. And I can't get it running under MEF. App.xaml.cs public p...

I'm doing my first project with MEF and am seriously unable to understand how to use lazy loading. My code is - public static class MefLoader { private static CompositionContainer Container; [I...

To what extent, if any, is MEF a replacement for PRISM?

I'm new to VS extension development. I'm currently working with the text adornment sample in VS 2015 and have been able to get coloured boxes showing correctly. Now I want to extend the sample so t...

Is there a way to cache MEF components graph per-application startup (WPF), like the MAF do to avoid discovering the directories and constructing the components graph every application startup. in ...

I have the project structure as follows: Modules --- ModuleA ---ViewA ---ViewModelA ---Module --- ModuleB ---ViewB ---ViewModelB ---Module MyApplication ---Shell.xaml ---Bootstrapper MyA...

Let's say that I have a few applications in a folder (each application has subfolders where plugins can be located): Clients Application A ... Application B ... Application C ... ... So...

I am working on Portable Class Library(PCL) and trying to achieve MEF in that. I used System.Composition from Nuget. When i build and package for vsix (Extension for Visual Studio) it doesn't packa...

I am trying to build a MVC4/MVC5 application with a pluggable architecture like Orchard CMS. So I have a MVC application which will be the startup project and take care of auth, navigation etc. The...

We're using .NET 4.5 and have had no problem with open generic exports in MEF up until a month ago when it suddenly stopped working. 70 tests on our CI server turned red and we traced it down to mi...

So, I was trying to get this simple test working in an F# console app: open System.Reflection open System.ComponentModel.Composition open System.ComponentModel.Composition.Hosting [<Export(typ...

I am using prism framework in a silverlight app with multiple modules in separate XAPs. I have a resource dictionary defined in my in my shell project. In my modules I can use the resources fine, ...

I am trying to understand MEF and I am seeing references to MEF and MEF 2. This site lists MEF2 as being much faster than MEF (4.0). I need to understand what I am talking about when most people...

I need to create custom WPF Behavior with some dependencies injected in custructor, I can't use constructor injection because I need to apply that in XAML, WPF creates instance with default constru...

I load my modules in the bootstrapper with: protected override IModuleCatalog CreateModuleCatalog() { var moduleCatalog = new DirectoryModuleCatalog(); moduleCatalog.ModulePath = @".\Modules";...

I'm trying to figure out MEF's Constructor Injection attribute. I have no idea how I tell it to load the constructor's parameters. This is the property I'm trying to load [ImportMany(typeof(BUser...

I have a class: public abstract class XTimeViewModel : DevExpress.Xpf.Mvvm.ViewModelBase { public bool PropertiesChanged { get; set; } [NotifyPropertyChangedInvocator] protected virtual void _...

I checked a lot of MEF questions here but I can't imagine what my problem is. Here's what's happening: I have a desktop WPF app that I'm deploying with AdvancedInstaller. I use .NET 4.0 and MEF to...

I'm looking to create my first app with PRISM, I downloaded it(the V5), I'm quite ready to got, but there is still something that bother me. Unity or MEF. Is there any thing that I cannot do if I...

I'm currently using MEF for a project to import plugins, as the plugins are written in WPF they each have a view and a viewmodel. The plugins know about the viewmodel but the main shell UI will con...

Can we inject dependency as method parameter instead of constructor parameter either using MEF or Autofac? Thanks

In my Asp.Net MVC application, i have some view file (.cshtml) which has reference to an external library which it will be loaded at runtime. so after app started, i load the assembly by Assembly.L...

I have an interface: [InheritedExport(typeof(IMetric))] public interface IMetric { ... } I have a Meta attribute interface: public interface IMetricAttribute { ... } and an attribute that i...

We are implementing a plug and play module for our application where user can load and unload the desired class library at runtime. So I have decided to use MEF and shadow copying of class librarie...

It's very possible that I just don't understand the problem space, but I'm having trouble figuring out the MEF (Editor Classifier project). I've created (piecing together the Walkthrough guides fr...