MEF2 Code sample

gistfile1.cs

void Main()
{
    var catalog = new AssemblyCatalog(typeof(A<>).Assembly);
    var container = new CompositionContainer(catalog);
    var a = container.GetExportedValue<A<string>>();
    a.Dump();
    
    container.ComposeParts(this);
    var export = this.AProperty.CreateExport();
    var value = export.Value;
    (value == export.Value).Dump(); // true
    (value == export.Value).Dump(); // true
    
    var export2 = this.AProperty.CreateExport();
    (value == export2.Value).Dump(); // false
}

// ExportFactory sample
[Import]
public ExportFactory<A<int>> AProperty { get; set; }

// Generic export
[Export(typeof(A<>))]
[PartCreationPolicy(CreationPolicy.Any)]
public class A<T> { }