Public Shared Function SetPortStopBits(ByVal defaultPortStopBits As StopBits) As StopBits
    Dim newStopBits As String

    Console.WriteLine("Available Stop Bits options:")
    Dim s As String
    For Each s In [Enum].GetNames(GetType(StopBits))
        Console.WriteLine("   {0}", s)
    Next s

    Console.Write("Stop Bits({0}):", defaultPortStopBits.ToString())
    newStopBits = Console.ReadLine()

    If newStopBits = "" Then
        newStopBits = defaultPortStopBits.ToString()
    End If

    Return CType([Enum].Parse(GetType(StopBits), newStopBits), StopBits)
End Function

public static StopBits SetPortStopBits(StopBits defaultPortStopBits)
{
    string stopBits;

    Console.WriteLine("Available Stop Bits options:");
    foreach (string s in Enum.GetNames(typeof(StopBits)))
    {
        Console.WriteLine("   {0}", s);
    }

    Console.Write("Stop Bits({0}):", defaultPortStopBits.ToString());
    stopBits = Console.ReadLine();

    if (stopBits == "")
    {
        stopBits = defaultPortStopBits.ToString();
    }

    return (StopBits)Enum.Parse(typeof(StopBits), stopBits);
}