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Im creating an application with dynamically loaded assemblies and get a lot of cast-exceptions. Why?

April 26, 2017application Assemblies creating dynamically loaded

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Im creating an application with dynamically loaded assemblies and get a lot of cast-exceptions. Why?

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If you load your assemblies with Assembly.LoadFrom(), they are loaded in another binding context (LoadFrom-context). On the other hand, compile-time assemblies are loaded into the Load-context. If you try to cast types of different contexts, you’ll get cast exceptions. A work-around is to load your assemblies with Assembly.Load(). Here you will need to assign a strong name to your assemblies, otherwise Load() fails.