C#: Creating a boolean value for an if-else statement :      bool InUse = true;
            while (InUse)
            Console.WriteLine("Welcome to the 2017 Wimbledon tournament! \n");
            Console.WriteLine("Press 1 for a Default tournament");
            Console.WriteLine("Press 2 for Women's single:");
            Console.WriteLine("Press 3 for Men's single:");
            Console.WriteLine("Press 4 for Women's double:");
            Console.WriteLine("Press 5 for Men's double:");
            Console.WriteLine("Press 6 for Mix double:");
            Console.Write("Make a choice:");
            int userValue = Convert.ToInt32(Console.ReadLine());
            if (userValue == 1 || userValue == 2 || userValue == 3 || userValue == 4 || userValue == 5 || userValue == 6)  
                {

I can't seem to write a statement that returns a false and true value if anything is pressed correct or wrong.. How would you guys do this? I was going to use a return true; but i cant seem to implement this.. Any ideas? 