Función devuelve valor para Main Ejercicio VB.Net - Curso de Programación Visual Basic

Imports System
Public Class exercis121
    Public Shared Sub WriteTitle(ByVal text As String)
        Dim numOfSpaces As Integer = (80 - text.Length * 2) / 2
        text = text.ToUpper()

        For i As Integer = 0 To numOfSpaces - 1
            Console.Write(" ")
        Next

        For i As Integer = 0 To text.Length * 2 - 1 - 1
            Console.Write("-")
        Next

        Console.WriteLine()

        For i As Integer = 0 To numOfSpaces - 1
            Console.Write(" ")
        Next

        For i As Integer = 0 To text.Length - 1
            Console.Write(text(i) & " ")
        Next

        Console.WriteLine()

        For i As Integer = 0 To numOfSpaces - 1
            Console.Write(" ")
        Next

        For i As Integer = 0 To text.Length * 2 - 1 - 1
            Console.Write("-")
        Next

        Console.WriteLine()
    End Sub

    Public Shared Function Main(ByVal args As String()) As Integer
        If args.Length <> 1 Then
            Console.WriteLine("What??!!")
            Return 1
        End If

        WriteTitle(args(0))
        Return 0
    End Function
End Class