//Delete note from list. Works.
 public void Delete()
 {
     if (SelectedIndex != -1)
     {
         var note = Notes[SelectedIndex];
         Notes.RemoveAt(SelectedIndex);
         notebook.DeleteNote(note);
         SelectedIndex = -1;
     }
 }
        static void Main(string[] args)
        {
            string path = Directory.GetCurrentDirectory() + "/../Notes";

            if (!Directory.Exists(path))
            {
                Directory.CreateDirectory(path);
            }
            string[] date;
            string   date1, time1, startTime;

            while (true)
            {
                Console.Clear();
                Console.WriteLine("... Personal Notes & Reminders ...\n");
                Console.WriteLine("1. Enter a note.");
                Console.WriteLine("2. View a note");
                Console.WriteLine("3. Delete a note");
                Console.WriteLine("4. Create a reminder");
                Console.WriteLine("5. View a reminder");
                Console.WriteLine("6. Delete a reminder");
                Console.WriteLine("7. Exit\n");
                Console.Write("Enter your option: ");
                int choice = Convert.ToInt32(Console.ReadLine());

                switch (choice)
                {
                case 1:
                    Console.Clear();
                    date = DateTime.Now.ToString("dd.MM.yyyy").Split('.');
                    string fileName = date[0] + date[1] + date[2];
                    Console.Write("Enter the Note: ");
                    string note = Console.ReadLine();
                    Notebook.CreateNote(note, fileName);
                    Console.WriteLine("Note created\n");
                    Console.Write("Press any Key to continue... ");
                    Console.ReadKey();
                    break;

                case 2:
                    Console.Clear();
                    Console.Write("Enter the Date (DD.MM.YYYY): ");
                    date = Console.ReadLine().Split('.');
                    string fileName2 = date[0] + date[1] + date[2];
                    string note1     = Notebook.GetNote(fileName2);
                    Console.WriteLine(note1);
                    Console.Write("Press any Key to continue... ");
                    Console.ReadKey();
                    break;

                case 3:
                    Console.Clear();
                    Console.Write("Enter the Date (DD.MM.YYYY): ");
                    date = Console.ReadLine().Split('.');
                    string fileName3 = date[0] + date[1] + date[2];
                    Notebook.DeleteNote(fileName3);
                    Console.Write("Press any Key to continue... ");
                    Console.ReadKey();
                    break;

                case 4:
                    Console.Clear();
                    Console.Write("Enter the date (DD.MM.YYYY): ");
                    date1 = Console.ReadLine();
                    Console.Write("Enter the date (DD.MM.YYYY): ");
                    time1     = Console.ReadLine();
                    startTime = date1 + " " + time1 + " " + "+05:30";
                    Console.Write("Enter the duration: ");
                    int duration = Convert.ToInt32(Console.ReadLine());
                    Console.Write("Enter the location: ");
                    string location = Console.ReadLine();
                    Console.Write("Enter the description: ");
                    string description = Console.ReadLine();
                    Console.Write("Enter the title: ");
                    string title = Console.ReadLine();
                    Reminders.CreateReminder(startTime, duration, title, description, location);
                    Console.Write("Press any Key to continue... ");
                    Console.ReadKey();
                    break;

                case 5:
                    Console.Clear();
                    Console.Write("Enter the date (DD.MM.YYYY): ");
                    date1 = Console.ReadLine();
                    Console.Write("Enter the date (DD.MM.YYYY): ");
                    time1     = Console.ReadLine();
                    startTime = date1 + " " + time1 + " " + "+05:30";
                    Reminders.GetReminder(startTime);
                    Console.Write("Press any Key to continue... ");
                    Console.ReadKey();
                    break;

                case 6:
                    Console.Clear();
                    Console.Write("Enter the date (DD.MM.YYYY): ");
                    date1 = Console.ReadLine();
                    Console.Write("Enter the date (DD.MM.YYYY): ");
                    time1     = Console.ReadLine();
                    startTime = date1 + " " + time1 + " " + "+05:30";
                    Reminders.DeleteReminder(startTime);
                    Console.Write("Press any Key to continue... ");
                    Console.ReadKey();
                    break;

                case 7:
                    Environment.Exit(0);
                    break;

                default:
                    Console.Clear();
                    Console.WriteLine("Invalid Option !\n");
                    Console.Write("Press any Key to continue... ");
                    Console.ReadKey();
                    break;
                }
            }
        }