Welcome to the Lounge

Marc Clifton wrote:

when I C&P'd my router's public IP address into the dialog box

raddevus wrote:

...open input boxes are the best way to break a program.

Marc Clifton wrote:

Yes, I take some responsibility, but not all the responsibility!!!

public class IPAddress
{
    public int FirstPart { get; set; }
    public int SecondPart { get; set; }
    public int ThirdPart { get; set; }
    public int FourthPart { get; set; }

    public override string ToString()
    {
        return $"{FirstPart}.{SecondPart}.{ThirdPart}.{FourthPart}";
    }
}

public class IPv6Address : IPAddress
{
    public int FourthPartSubPartA { set; get; }
    public int FourthPartSubPartB { set; get; }

    public override string ToString()
    {
        return $"{FirstPart}:{SecondPart}:{ThirdPart}:{FourthPart}:{FourthPartSubPartA}:{FourthPartSubPartB}";
    }
}