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Asked: 2026-05-25T18:17:03+00:00

I try to below link for window application with MEF http://geekswithblogs.net/malisancube/archive/2009/05/26/managed-extensibility-framework-101—a.aspx it’s work good

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I try to below link for window application with MEF

http://geekswithblogs.net/malisancube/archive/2009/05/26/managed-extensibility-framework-101—a.aspx

it’s work good in Framework 3.5 but when i try to develop same code for framework 4.0
not able to find below function

return container.GetExportedObject<Form1>();

please give me some properly example for window application with MEF where my container all the Usercontrols on Form

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1 Answer

  1. Editorial Team

    MEF was being developed pre-.NET 4.0 but it became an official part of the framework from .NET 4.0 forwards. The API you are looking for is actually the ExportProvider.GetExportedValue<T> method which CompositionContainer inherits from:

    return container.GetExportedValue<Form1>();

    GetExportedObject was renamed GetExportedValue, and it occurred with MEF preview 6, which means that blog post was actually based on quite an early revision of MEF.

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