VB.NET - Enum - get number of elements (lenght of enum)

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    Public Enum SomeEnum
        Bob = 1
        Frank = 2
        Gary = 3
        Taras = 4
        Oleh = 5
    End Enum

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        Dim num As Integer = [Enum].GetNames(GetType(SomeEnum)).Length
        MessageBox.Show(num)
    End Sub