using System;

using System.Threading.Tasks;

​

public class Program

{

    private static Task _RunningTask { get; set; }

    public static void Main()

    {

            // Get the task.

            _RunningTask = new Task(() => {

                Console.WriteLine("This is my awesome action starting");

​

                // If it succeeded.

                _RunningTask = _RunningTask.ContinueWith(t => {

                    Console.WriteLine("Running Task 1 Start");

                    // This is some good code

                    int[] myArray = new int[1];

                    myArray[0] = DateTime.Now.Day;

​

                    Console.WriteLine("Running Task 1 End");

                }, TaskContinuationOptions.OnlyOnRanToCompletion);

​

                _RunningTask = _RunningTask.ContinueWith(t => {

                    Console.WriteLine("Running Task 2 Start");

                    // This is some good code

                    int[] myArray = new int[1];

                    myArray[0] = DateTime.Now.Day;

                    Console.WriteLine("Running Task 2 End");

                }, TaskContinuationOptions.OnlyOnRanToCompletion);

​

                // More buggy code

                int[] myArray3 = new int[6];

                int currentMonth = DateTime.Now.Month;

                myArray3[currentMonth] = DateTime.Now.Day;

                Console.WriteLine("This is my awesome action ending");

            });

​

​

            // For error handling.

            _RunningTask.ContinueWith(t => {

                if (t.Exception != null)

                {

                    Console.WriteLine("Error: " + t.Exception.ToString());

                }

            }, TaskContinuationOptions.OnlyOnFaulted);

​

            // Run task.

            _RunningTask.Start();

​

            _RunningTask.Wait();

​

            Console.WriteLine("After Task.Wait");

    }

}