Enum Statement in vb.net

Public Class Form1
    Inherits System.Windows.Forms.Form

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        MsgBox("Monday is day" & Days.Monday)
    End Sub
    Enum Days
        Sunday = 1
        Monday = 2
        Tuesday = 3
        Wednesday = 4
        Thusday = 5
        Friday = 6
        Saturday = 7
    End Enum
End Class