public static void Main()
object thisInvalid = "FizzBuzz";
string format = "{0, -20} {1, -15}";
Console.WriteLine(format, "Object", "ToByteOrDefault");
Console.WriteLine(format, "------", "------------------");
Console.WriteLine(format, val1, val1.ToByteOrDefault());
Console.WriteLine(format, val2, val2.ToByteOrDefault());
Console.WriteLine(format, thisInvalid, thisInvalid.ToByteOrDefault());
Console.WriteLine(format, thisInvalid, thisInvalid.ToByteOrDefault(0));
Console.WriteLine(format, thisInvalid, thisInvalid.ToByteOrDefault(() => 0));