private AppManager()
 {
     SlideManager          = new SlideManager();
     HelpManager           = new HelpManager();
     PowerPointManager     = new PowerPointManager <SlideTemplateViewerPowerPointHelper>();
     ImageResourcesManager = new ImageResourcesManager();
     TextResourcesManager  = new TextResourcesManager();
 }
        public async Task Init()
        {
            await AppProfileManager.Instance.LoadProfile();

            await Business.Dashboard.Configuration.ResourceManager.Instance.Load();

            PowerPointManager.Init();

            MasterWizardManager.Instance.Load();
            SettingsManager.Instance.LoadSharedSettings();
            SlideManager.LoadSlides(ResourceManager.Instance.SlideMastersFolder);

            HelpManager.LoadHelpLinks();

            TextResourcesManager.Load();
            ImageResourcesManager.Load();

            FormStyleManager = new FormStyleManager(Business.Dashboard.Configuration.ResourceManager.Instance.FormStyleConfigFile);

            ActivityManager = ActivityManager.OpenStorage();
            ActivityManager.AddActivity(new UserActivity("Application started"));
        }