Documentation and samples for Visual Basic and F#

Please don't forget about the users of the other dotnet languages officially backed by Microsoft such as Visual Basic and F#.

If usage of these languages are not possible or not supported, please state this clearly in the documentation, including the distinction between "Not Possible" and "Not Supported"

Begin by locating the repository's existing .NET documentation and samples, then check how Visual Basic and F# are currently described or exercised. Done means each language has relevant samples where supported, and the documentation explicitly distinguishes "Not Possible" from "Not Supported" where usage does not work.

Written by the indexing model from the issue text.