Shapes :: Multiple run

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Shapes
{
    class Program
    {
        static void Main(string[] args)
        {
            int choice;

            do
            {
                Console.WriteLine("1 - Cross\n2 - Rectangle\n3 - Hexagon\n4 - Octagon\n5 - Rhombus\n6 - Heart");
                Console.WriteLine("7 - Circle\n8 - Oval\n9 - Crescent\n10 - Triangle\n0 - Exit Program");
                Console.Write("Enter your choice: ");
                choice = Convert.ToInt32(Console.ReadLine());
                Console.WriteLine();

                switch (choice)
                {
                    case 1:
                        // Cross
                        Console.WriteLine("     *****");
                        Console.WriteLine("     *****");
                        Console.WriteLine("     *****");
                        Console.WriteLine("***************");
                        Console.WriteLine("***************");
                        Console.WriteLine("***************");
                        Console.WriteLine("     *****");
                        Console.WriteLine("     *****");
                        Console.WriteLine("     *****");
                        break;

                    case 2:
                        // Rectangle
                        for (int y = 0; y < 7; y++)
                        {
                            for (int x = 0; x < 15; x++)
                            {
                                Console.Write("*");
                            }
                            Console.WriteLine();
                        }
                        break;

                    case 3:
                        // Hexagon
                        Console.WriteLine("    **********");
                        Console.WriteLine("   ************");
                        Console.WriteLine("  **************");
                        Console.WriteLine(" ****************");
                        Console.WriteLine("******************");
                        Console.WriteLine(" ****************");
                        Console.WriteLine("  **************");
                        Console.WriteLine("   ************");
                        Console.WriteLine("    **********");
                        break;

                    case 4:
                        // Octagon
                        Console.WriteLine("    **********");
                        Console.WriteLine("   ************");
                        Console.WriteLine("  **************");
                        Console.WriteLine(" ****************");
                        Console.WriteLine("******************");
                        Console.WriteLine("******************");
                        Console.WriteLine("******************");
                        Console.WriteLine("******************");
                        Console.WriteLine(" ****************");
                        Console.WriteLine("  **************");
                        Console.WriteLine("   ************");
                        Console.WriteLine("    **********");
                        break;

                    case 5:
                        // Rhombus
                        Console.WriteLine("************");
                        Console.WriteLine(" ************");
                        Console.WriteLine("  ************");
                        Console.WriteLine("   ************");
                        Console.WriteLine("    ************");
                        Console.WriteLine("     ************");
                        break;

                    case 6:
                        // Heart
                        Console.WriteLine("  ******   ******");
                        Console.WriteLine(" ******** ********");
                        Console.WriteLine("*******************");
                        Console.WriteLine("*******************");
                        Console.WriteLine(" *****************");
                        Console.WriteLine("  ***************");
                        Console.WriteLine("   *************");
                        Console.WriteLine("    ***********");
                        Console.WriteLine("     *********");
                        Console.WriteLine("      *******");
                        Console.WriteLine("       *****");
                        Console.WriteLine("        ***");
                        Console.WriteLine("         *");
                        break;

                    case 7:
                        // Circle
                        Console.WriteLine("    *****");
                        Console.WriteLine("  *********");
                        Console.WriteLine(" ***********");
                        Console.WriteLine("*************");
                        Console.WriteLine("*************");
                        Console.WriteLine("*************");
                        Console.WriteLine(" ***********");
                        Console.WriteLine("  *********");
                        Console.WriteLine("    *****");
                        break;

                    case 8:
                        // Oval
                        Console.WriteLine("        ****");
                        Console.WriteLine("    ************");
                        Console.WriteLine("  ****************");
                        Console.WriteLine(" *******************");
                        Console.WriteLine("*********************");
                        Console.WriteLine(" *******************");
                        Console.WriteLine("  ****************");
                        Console.WriteLine("    ************");
                        Console.WriteLine("        ****");
                        break;

                    case 9:
                        // Crescent
                        Console.WriteLine("        ***");
                        Console.WriteLine("    ******");
                        Console.WriteLine("  *******");
                        Console.WriteLine(" *******");
                        Console.WriteLine("*******");
                        Console.WriteLine(" *******");
                        Console.WriteLine("  *******");
                        Console.WriteLine("    ******");
                        Console.WriteLine("        ***");
                        break;

                    case 10:
                        // Triangle
                        int numberOfLayer = 7, space, draw; ;
                        for (int i = 1; i <= numberOfLayer; i++)
                        {
                            for (space = 1; space <= (numberOfLayer - i); space++)
                            {
                                Console.Write(" ");
                            }
                            for (draw = 1; draw <= i; draw++)
                            {
                                Console.Write('*');
                            }
                            for (draw = (i - 1); draw >= 1; draw--)
                            {
                                Console.Write('*');
                            }
                            Console.WriteLine();
                        }
                        break;

                    case 0:
                        break;

                    default:
                        Console.WriteLine("Please choose from 1-10");
                        break;
                }

                Console.WriteLine();

            } while (choice != 0);

            Console.WriteLine("Program exit.");
        }
    }
}