Function Test(ByVal a As Boolean, ByVal b As Boolean)
    Console.WriteLine("And " & a And b)
    Console.WriteLine("Or " & a Or b)
    Console.WriteLine("Not " & Not a)
    Console.WriteLine("Xor " & a Xor b)
    Console.WriteLine("And, short-circuited " & a AndAlso b)
    Console.WriteLine("Or, short-circuited " & a OrElse b)
End Function