Shell extensions with .NET 4.0

Question

Any one have any docs or examples of how to add menu items to the explorer shell with .NET.

Can only find info saying it should be possible now with .NET 4.0 but not

Answer 1

Even using .NET 4, with side-by-side execution, writing a managed shell extension might not be a good idea: According to Microsoft employee Jialiang Ge, "Microsoft [...] has not determined whether it will support managed shell extensions for the long term [...] Microsoft [...] will not support managed shell extensions and recommends against writing them."