Math.Sign returns a value indicating the sign of a decimal number.
Class Sample
Public Shared Sub Main()
Dim xByte1 As Byte = 0
Console.WriteLine(Test(Math.Sign(xByte1)))
End Sub 'Main
Public Shared Function Test([compare] As Integer) As [String]
If [compare] = 0 Then
Return "equal to"
ElseIf [compare] < 0 Then
Return "less than"
Else
Return "greater than"
End If
End Function 'Test
End Class 'Sample