private async void Page_Loaded(object sender, RoutedEventArgs e)
        {
            ClearErrorMessage();
            saveButton.Focus(FocusState.Keyboard);
            _savedAppSettings = await ApplicationUtilities.GetAppSettings();
            if (_savedAppSettings != null && _savedAppSettings.CompanyImage.Length > 0)
            {
                Uri uri = new Uri(@"ms-appdata:///local/" + _savedAppSettings.CompanyImage, UriKind.Absolute);
                try
                {
                    var file = await StorageFile.GetFileFromApplicationUriAsync(uri);
                    using (var fileStream = await file.OpenAsync(FileAccessMode.Read))
                    {
                        BitmapImage bitmapImage = new BitmapImage
                        {
                            DecodePixelHeight = 300,
                            DecodePixelWidth = 300
                        };
                        await bitmapImage.SetSourceAsync(fileStream);
                        CompanyImage.Source = bitmapImage;
                    }
                }
                catch (Exception)
                {
                }

            }
        }
 public static async Task<AppModel> GetAppSettings()
 {
     // ReSharper disable once RedundantAssignment
     var appModel = new AppModel();
     var storage = new StorageHelper<AppModel>(StorageType.Local);
     try
     {
         appModel = await storage.LoadASync(@"AppSetting.xml");
     }
     catch (Exception)
     {
         appModel = null;
     }
     return appModel;
 }
 private void saveManageSettings(string file)
 {
     var appSettings = new AppModel("12345", file);
     var storageHelper = new StorageHelper<AppModel>(StorageType.Local);
     storageHelper.SaveASync(appSettings, "AppSetting");
 }
 private void SaveManageSettings_Click(object sender, RoutedEventArgs e)
 {
     var appSettings = new AppModel("12345",FilePath.Text);
     var storageHelper = new StorageHelper<AppModel>(StorageType.Local);
     storageHelper.SaveASync(appSettings, "AppSetting");
 }