public static string GetYesNoAnswerFromUser(string prompt)
{
while (true)
{
Console.Clear();
Factorize.FactorizingMenu();
Console.Write(prompt + " (Y/N) ");
string input = Console.ReadLine();
if (string.IsNullOrEmpty(input) || string.IsNullOrWhiteSpace(input))
{
Console.Clear();
Factorize.FactorizingMenu();
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Please enter Y/N! ");
Console.ResetColor();
Console.WriteLine("Press any key to continue. ");
Console.ReadKey();
}
else
{
if (input.ToUpper() != "Y" && input.ToUpper() != "N")
{
Console.Clear();
Factorize.FactorizingMenu();
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Please enter Y/N only. ");
Console.ResetColor();
Console.WriteLine("Press any key to continue. ");
Console.ReadKey();
continue;
}
return(input);
}
}
}
static void Main(string[] args)
{
Factorize.Start();
}
