C# - What happens if I set dll option "embedded interop type" to false or true in vs10? [closed]

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Just wanted to know in general what happens in this case, actually the problem is that one of my projects is using shell32.dll which compiles and executes fine on windows 7 PC however fails on other system like windows xp giving an runtime error

Unable to cast COM object of type 'System.__ComObject' to interface type 'Shell3 2.Shell'

I went through so many web resources but the results did not work for me.

Answer 1

The switch is documented here.