What is allowed in Visual Basic that's prohibited in C# (or vice versa)?

Question

This is code-related as in what the compiler will allow you to do in one language, but not allow you to do in another language (e.g. optional parameters in

Answer 1

Handles and WithEvents keywords for automatic wiring of EventHandlers.

Private Sub btnOKClick(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnOK.Click
End Sub