How to implement explicit interface implementation in VB.NET?
See Question&Answers more detail:osAs others have said, make the routine private, and it forces clients to call through the interfaces.
Just one more word. Explicit interface implementation in C# also allows the programmer to inherit two interfaces that share the same member names and give each interface member a separate implementation. In VB.Net, that's easy, because the implementing methods can have different names from the interface names.
Function ICanUseAnyNameILike() As String Implements IFoo.Bar
Function ItsTotalAnarchy() As String Implements IFoo2.Bar, IFoo3.ItsMadnessReally