PS1 | Asynchronous 2

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;

#pragma warning disable 0618

namespace Async_2
{
    class Program
    {
        static Thread[] tArray = new Thread[10];


        static void Main(string[] args)
        {

            Program p = new Program();
            p.ThreadMain();

        }

        void ThreadMain()
        {

            InitAndDrawMenu();

            while (true)
            {
                try
                {
                    string input = Console.ReadLine();
                    if (input.Contains("start "))
                    {
                        if (input.Length == 7) // input = start x
                        {
                            int th = int.Parse(input.Substring(input.Length - 1, 1));
                            Console.WriteLine("Starting {0}", tArray[th].Name);
                            tArray[th].Resume();
                        }
                        else if (input.Length == 9) // input = "start x y" or "start x-y"
                        {
                            int i = 0;
                            int th_last = int.Parse(input.Substring(input.Length - 1, 1));
                            int th_first = int.Parse(input.Substring(input.Length - 3, 1));

                            if (input.Substring(input.Length - 2, 1).Contains("-"))
                            {
                                while (i <= (th_last - th_first))
                                {
                                    tArray[th_first + i].Resume();
                                    Console.WriteLine("Starting {0}", tArray[th_first + i].Name);
                                    i++;
                                }
                            }
                            else
                            {
                                tArray[th_first].Resume();
                                Console.WriteLine("Starting {0}", tArray[th_first].Name);

                                tArray[th_last].Resume();
                                Console.WriteLine("Starting {0}", tArray[th_last].Name);
                            }
                        }
                        else
                        {
                            Console.WriteLine("Wrong input format, try again. Possible inputs:");
                            Console.WriteLine("\t- start x\n\t- start x-y\n\t- start x y");
                        }
                    }
                    else if (input.Contains("stop"))
                    {
                        bool[] running = new bool[(int)tArray.Length];
                        int i = 0;

                        foreach (Thread tab in tArray)
                        {
                            if (!tab.ThreadState.Equals(System.Threading.ThreadState.Suspended))
                            {
                                tab.Suspend();
                                Console.WriteLine("Suspended {0}.", tab.Name);
                                running[i] = true;
                            }
                            i++;
                        }
                        if (running.Any(item => item == false)) { Console.WriteLine("All threads are suspended"); }

                        Console.Write("What to you want to do: ");
                    }
                    else if (input.Contains("exit"))
                    {
                        Environment.Exit(0);
                    }
                    else Console.WriteLine("There is no such input, try again");
                }
                catch (ThreadStateException) { }
                catch (FormatException) { Console.WriteLine("X and Y params must be numbers"); Console.Write("What to you want to do: "); }
            }

        }
        private static void ThreadProc(int thread)
        {
            try
            {
                Thread.CurrentThread.Suspend();

                int i = 0;
                while (i++ < 26)
                {
                    Console.Write("{0}" + thread + " ", (char)(0x40 + i));
                    Thread.Sleep(1000);
                }
            }
            catch (ThreadStateException) { }
        }

        private static void InitAndDrawMenu()
        {
            for (int i = 0; i < tArray.Count(); i++)
            {
                try
                {
                    tArray[i] = new Thread(() => ThreadProc(i));
                    tArray[i].Name = "thread_" + i;
                    tArray[i].Start();
                    Thread.Sleep(100);
                    Console.WriteLine("{0}: {1}",tArray[i].Name, tArray[i].ThreadState);
                }
                catch (ThreadStateException) { }
            }

            Console.SetCursorPosition(45, 2);
            Console.Write("Possible options: (x and y are numbers)");
            Console.SetCursorPosition(50, 3);
            Console.Write("start x");
            Console.SetCursorPosition(50, 4);
            Console.Write("start x y");
            Console.SetCursorPosition(50, 5);
            Console.Write("start x-y");
            Console.SetCursorPosition(50, 6);
            Console.Write("stop");
            Console.SetCursorPosition(50, 7);
            Console.Write("exit");
            Console.SetCursorPosition(0, 12);
            Console.Write("Whad to you want to do: ");
        }
    }
}