Public Sub MinMaxFields(ByVal numberToSet As Integer)
   If numberToSet <= CInt([Byte].MaxValue) And numberToSet >= CInt([Byte].MinValue) Then
      ' You must explicitly convert an integer to a byte.
      MemberByte = CType(numberToSet, [Byte])

      ' Displays MemberByte using the ToString() method.
      Console.WriteLine("The MemberByte value is {0}.", MemberByte.ToString())
   Else
      Console.WriteLine("The value {0} is outside of the range of possible Byte values.", numberToSet.ToString())
   End If
End Sub

Public Class Tester
    Public Shared Sub Main
        Dim result As New System.Text.StringBuilder()
        result.AppendLine("MaxValue...")

        Dim maxByte As Byte = Byte.MaxValue
        Dim maxSByte As SByte = SByte.MaxValue
        Dim maxShort As Short = Short.MaxValue
        Dim maxUShort As UShort = UShort.MaxValue
        Dim maxInteger As Integer = Integer.MaxValue
        Dim maxUInteger As UInteger = UInteger.MaxValue
        Dim maxLong As Long = Long.MaxValue
        Dim maxULong As ULong = ULong.MaxValue

        result.Append("Byte ").AppendLine(maxByte)
        result.Append("SByte ").AppendLine(maxSByte)
        result.Append("Short ").AppendLine(maxShort)
        result.Append("UShort = ").AppendLine(maxUShort)
        result.Append("Integer = ").AppendLine(maxInteger)
        result.Append("UInteger = ").AppendLine(maxUInteger)
        result.Append("Long = ").AppendLine(maxLong)
        result.Append("ULong = ").AppendLine(maxULong)

        Console.WriteLine(result.ToString())
     End Sub
End Class