How to export Application.Current with MEF in SL3?

I seem to be stuck. Is there a way to export Appli开发者_如何学Gocation.Current of a Silverlight project using MEF, so that when I load .XAP (my Silverlight component project) file I had access to the App of that .xap?

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There isn't really a need for this. Since Application.Current is already a singleton, it's going to exist once your .xap is loaded in any case. You shouldn't need to export it via MEF - your component will already be able to access it directly.

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Try this:

Container.ComposeExportedValue(Application.Current);

where Container is MEF's CompositionContainer.