new Task(() =>
                {
                    for (var x = 0;x<4;x++)
                    {
                        for (var i = 0; i < themes.Count; i++)
                        {
                            Application.Current.Dispatcher.BeginInvoke(
                                DispatcherPriority.Background,
                                new System.Action(
                                    () =>
                                        ThemeManager.ChangeTheme(this, new Accent(themes[i < themes.Count ? i : 19].Name, themes[i < themes.Count ? i : 19].URI),
                                            Theme.Light)));

                            Thread.Sleep(30);

                        }
                    }

                    Application.Current.Dispatcher.BeginInvoke(
                                DispatcherPriority.Background,
                                new System.Action(
                                    () =>
                                        ThemeManager.ChangeTheme(this, new Accent(themes[11].Name, themes[11].URI),
                                            Theme.Dark)));
                }).Start();