/// <summary>
        /// Обработка нажатия клавиш
        /// </summary>
        private void ProcessingKeystrokes()
        {
            if (Keyboard.Escape)
            {
                SoundGame.Stop();
                StateOfGame = StateOfGame.Menu;
                Menu.MenuControl.BringToFront();
                Thread.Sleep(100);
            }
            else
            {
                if (Keyboard.Enter && menu.StateMenu == StateMenu.SaveGame && Level.StateOfLevel == StateOfLevel.Game)
                {
                    // Сериализация
                    timer.Stop();
                    var stream    = new FileStream("Serialized", FileMode.Create);
                    var formatter = new BinaryFormatter();
                    formatter.Serialize(stream, level);
                    stream.Close();

                    menu.StateMenu = StateMenu.Game;
                    StateOfGame    = StateOfGame.Menu;
                    Menu.MenuControl.BringToFront();
                    Thread.Sleep(100);
                    timer.Start();
                }
                else if (Keyboard.Enter && menu.StateMenu == StateMenu.LoadGame && Level.StateOfLevel == StateOfLevel.Game)
                {
                    // Десериализвция
                    timer.Stop();
                    level.Clear();
                    var stream    = new FileStream("Serialized", FileMode.Open);
                    var formatter = new BinaryFormatter();
                    level = formatter.Deserialize(stream) as Level;
                    stream.Close();

                    menu.StateMenu = StateMenu.Game;
                    StateOfGame    = StateOfGame.Menu;
                    Menu.MenuControl.BringToFront();
                    Thread.Sleep(100);
                    level.InitStaticFild();
                    timer.Start();
                }
                else if (Keyboard.Enter && StateOfGame == StateOfGame.GameOver)
                {
                    StateOfGame = StateOfGame.Menu;
                    Menu.MenuControl.BringToFront();
                    level.DownloadLevel(1);
                    Thread.Sleep(100);
                }
                else if (Keyboard.Enter && StateOfGame == StateOfGame.Menu && menu.StateMenu == StateMenu.Game)
                {
                    StateOfGame = StateOfGame.Game;
                    screenGame.BringToFront();
                    menu.ResetPosition();
                }
            }
        }