public ViewViewModel() { chatService = ServiceLocator.Current.GetInstance<IChatService>(); parentViewModel = ServiceLocator.Current.GetInstance<PhotosViewModel>(); timer = new Timer(new TimerCallback((c) => { DispatcherHelper.CheckBeginInvokeOnUI(() => { App.RootFrame.Navigate(new Uri("/View/PhotosPage.xaml", UriKind.RelativeOrAbsolute)); }); }), null, Timeout.Infinite, Timeout.Infinite); HideCommand = new RelayCommand(async () => { timer.Change(TimeSpan.FromSeconds(6), TimeSpan.FromMilliseconds(-1)); var contentList = await chatService.ReadPhotoContentAsync( parentViewModel.SelectedPhoto.PhotoContentSecretId); var content = contentList.FirstOrDefault(); if (content != null) { Uri = chatService.ReadPhotoAsUri(content.Uri); Stream = chatService.ReadPhotoAsStream(content.Uri); } else { Uri = null; Stream = null; } }); }
public ViewViewModel() { chatService = ServiceLocator.Current.GetInstance <IChatService>(); parentViewModel = ServiceLocator.Current.GetInstance <PhotosViewModel>(); timer = new Timer(new TimerCallback((c) => { DispatcherHelper.CheckBeginInvokeOnUI(() => { App.RootFrame.Navigate(new Uri("/View/PhotosPage.xaml", UriKind.RelativeOrAbsolute)); }); }), null, Timeout.Infinite, Timeout.Infinite); HideCommand = new RelayCommand(async() => { timer.Change(TimeSpan.FromSeconds(6), TimeSpan.FromMilliseconds(-1)); var contentList = await chatService.ReadPhotoContentAsync( parentViewModel.SelectedPhoto.PhotoContentSecretId); var content = contentList.FirstOrDefault(); if (content != null) { Uri = chatService.ReadPhotoAsUri(content.Uri); Stream = chatService.ReadPhotoAsStream(content.Uri); } else { Uri = null; Stream = null; } }); }