Simple console application interface, in this case it is used in a database setup project.

Program.cs

internal class Program
    {
        private static void Main(string[] args)
        {
            var welcome = @"
  ___         _    _         _  _          _  _                 _   __                        
 / _ \       | |  (_)       (_)| |        (_)| |               | | / /                        
/ /_\ \  ___ | |_  _ __   __ _ | |_   ___  _ | |_   ___  _ __  | |/ /   ___  _   _  ____  ___ 
|  _  | / __|| __|| |\ \ / /| || __| / _ \| || __| / _ \| '_ \ |    \  / _ \| | | ||_  / / _ \
| | | || (__ | |_ | | \ V / | || |_ |  __/| || |_ |  __/| | | || |\  \|  __/| |_| | / / |  __/
\_| |_/ \___| \__||_|  \_/  |_| \__| \___||_| \__| \___||_| |_|\_| \_/ \___| \__,_|/___| \___|
                ";

            Console.ForegroundColor = ConsoleColor.Green;
            Console.WriteLine(welcome);
            Console.ForegroundColor = ConsoleColor.White;

            var quit = false;

            while (!quit)
            {
                Console.WriteLine("--- Options ---");
                Console.WriteLine("[1]: Drop local database (RavenDb)");
                Console.WriteLine("[2]: Drop roles collection");
                Console.WriteLine("[3]: Drop users collection");
                Console.WriteLine("[4]: Drop groups collection");
                Console.WriteLine("[5]: Drop activities collection");
                Console.WriteLine("[6]: Create local database (RavenDb)");
                Console.WriteLine("[7]: Create roles");
                Console.WriteLine("[8]: Create users");
                Console.WriteLine("[9]: Create groups");
                Console.WriteLine("[0]: Create activities");
                Console.WriteLine("[A]: Do everything above");
                Console.WriteLine("[Q]: Quit the application");
                Console.Write("Your option: ");

                var option = Console.ReadKey();
                Console.WriteLine("\r\n");

                try {
                    switch (option.Key)
                    {
                        case ConsoleKey.D1:
                            Routines.Setup.DropDatabase();
                            break;
                        case ConsoleKey.D2:
                            Routines.Setup.DropRoles();
                            break;
                        case ConsoleKey.D3:
                            Routines.Setup.DropUsers();
                            break;
                        case ConsoleKey.D4:
                            Routines.Setup.DropGroups();
                            break;
                        case ConsoleKey.D5:
                            Routines.Setup.DropActivities();
                            break;
                        case ConsoleKey.D6:
                            Routines.Setup.CreateDatabase();
                            break;
                        case ConsoleKey.D7:
                            Routines.Setup.CreateRoles();
                            break;
                        case ConsoleKey.D8:
                            Routines.Setup.CreateUsers();
                            break;
                        case ConsoleKey.D9:
                            Routines.Setup.CreateGroups();
                            break;
                        case ConsoleKey.D0:
                            Routines.Setup.CreateActivities();
                            break;
                        case ConsoleKey.A:
                            Console.WriteLine("Doing *everything*...");
                            Routines.Setup.DropDatabase();
                            Routines.Setup.CreateDatabase();
                            Routines.Setup.CreateRoles();
                            Routines.Setup.CreateUsers();
                            Routines.Setup.CreateGroups();
                            Routines.Setup.CreateActivities();
                            break;
                        case ConsoleKey.Q:
                            quit = true;
                            break;
                        default:
                            Console.WriteLine("OK, you've chosen something else. Quitting now...");
                            return;
                    }
                } catch (Exception ex) {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("Error: " + ex.Message);
                }

                Console.ResetColor();
            }
        }
    }

Setup.CreateRoles

// Example setup routine
    public partial class Setup
    {
        public static void CreateRoles()
        {
            try {
                Console.WriteLine("Checking for roles...");
                var roleProvider = new RavenDbRoleProvider();

                foreach (Role role in Enum.GetValues(typeof(Role)))
                {
                    var roleString = role.ToString();
                    if (!roleProvider.RoleExists(roleString))
                    {
                        Console.WriteLine("Creating " + role + " role");
                        roleProvider.CreateRole(roleString);
                    }
                }
            } catch (DuplicateNameException e) {
                throw new Exception("Failed to create role, duplicate name found", e);
            } catch (Exception e) {
                throw new Exception("Failed to create role", e);
            }

            Console.WriteLine("Successfully created roles");
        }
    }