Question

I’m exporting some classes implementing the IFoo interface like this

public interface IFoo { }

[Export("A", typeof(IFoo))]
public class Foo1 : IFoo { }

[Export("B", typeof(IFoo))]
public class Foo2 : IFoo { }

When I try to import one of them using

 containter.GetExportedValue<IFoo>("A"); 

it works well but when I try to import all of them like this

[ImportMany]
IFoo[] foos;

it doesn’t work.

Can someone tell me how to solve this?

Answer 1

To have it both ways, declare 2 exports:

public interface IFoo { }

[Export(typeof(IFoo))]
[Export("A", typeof(IFoo))]
public class Foo1 : IFoo { }

[Export(typeof(IFoo))]
[Export("B", typeof(IFoo))]
public class Foo2 : IFoo { }

Then it should work (i did a test sample and got it to work).

HTH,

Bab.