VBA Function argument list select

This is what is known as an enumeration. Here is a quick example:

Public Enum DayOfWeek
    Monday = 1
    Tuesday = 2
    Wednesday = 3
    Thursday = 4
    Friday = 5
    Saturday = 6
    Sunday = 7
End Enum

Public Function GetDrinkSpecial(day As DayOfWeek) As String

    Select Case day
        Case DayOfWeek.Monday
            GetDrinkSpecial = "$1 Tap Domestics"
        Case DayOfWeek.Tuesday
            GetDrinkSpecial = "2 for 1 Rail Mixers"
        Case DayOfWeek.Wednesday
            GetDrinkSpecial = "$2 You-Call-Its"
        Case DayOfWeek.Thursday
            GetDrinkSpecial = "$1 Bush Bottles"
        Case DayOfWeek.Friday
            GetDrinkSpecial = "$3 Greenies"
        Case DayOfWeek.Saturday
            GetDrinkSpecial = "No Specials, Doh!"
        Case DayOfWeek.Sunday
            GetDrinkSpecial = "No Specials, Doh!"
        Case Else
            GetDrinkSpecial = "No Specials, Doh!"
    End Select
End Function

Public Sub TestIt()

    MsgBox GetDrinkSpecial(Monday)
    MsgBox GetDrinkSpecial(Tuesday)
    MsgBox GetDrinkSpecial(Wednesday)
    MsgBox GetDrinkSpecial(Thursday)
    MsgBox GetDrinkSpecial(Friday)
    MsgBox GetDrinkSpecial(Saturday)
    MsgBox GetDrinkSpecial(Sunday)
End Sub

This will get the desired ‘Drop Down’ Effect you are looking for when calling the function within the VBA editor. However, if you were to call ‘GetDrinkSpecial’ from within an excel cell formula, you will not have access to the enumeration, and would need to specifically pass it the long value of the enumeration.

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