Пример #1
0
        /// <summary>
        /// Called when [user interface loaded].
        /// </summary>
        /// <param name="payload">The payload.</param>
        /// <returns></returns>
        private async Task OnUserInterfaceLoaded(object payload)
        {
            try
            {
                IsUserInterfaceEnabled = false;
                MessageHub.Publish(MessageNames.StatusAvailable, "Loading Pictures . . .");
                var pictures = await StoreProvider.RetrievePictureHeadersAsync();

                foreach (var p in pictures)
                {
                    PictureHeaders.Add(p);
                }

                MessageHub.Publish(MessageNames.StatusAvailable, "Ready");
            }
            catch (Exception ex)
            {
                // We send a status message to the hub but it should really be an Error message of its own type
                MessageHub.Publish(MessageNames.StatusAvailable, $"Error: {ex.Message}");
            }
            finally
            {
                IsUserInterfaceEnabled = true;
            }
        }