protected override void OnNavigatedTo(NavigationEventArgs e)
{
thisViewControl = (ViewLifetimeController)e.Parameter;
mainViewId = ((App)Application.Current).MainViewId;
mainDispatcher = ((App)Application.Current).MainDispatcher;
thisViewControl.Released += ViewLifetimeControl_Released;
title.Text = thisViewControl.Title;
Window.Current.Activate();
}
async private void showView_Click(object sender, RoutedEventArgs e)
{
try
{
// Prevent the view from closing while switching to it
ViewLifetimeController selectedView = viewList.SelectedItem as ViewLifetimeController;
selectedView.StartViewInUse();
// Show the previously created secondary view, using the size
// preferences the user specified.
bool isViewShown = await ApplicationViewSwitcher.TryShowAsStandaloneAsync(
selectedView.Id, ViewSizePreference.Default,
ApplicationView.GetForCurrentView().Id, ViewSizePreference.Default);
if (isViewShown)
{
// If we succefully showed the view, make sure we update our internal state
// to reflect that the view is no longer consolidated.
selectedView.Consolidated = false;
status.Log(string.Format(CultureInfo.CurrentCulture,
LocalizableStrings.MULTIVIEW_SHOW_VIEW_SUCCESS, selectedView.Title));
}
else
{
// The window wasn't actually shown, so release the reference to it.
// This might trigger the window to be destroyed.
status.Log(LocalizableStrings.MULTIVIEW_SHOW_VIEW_FAIL);
}
// Signal that switching has completed and let the view close
selectedView.StopViewInUse();
}
catch (InvalidOperationException ex)
{
// The view could be in the process of closing, and
// this thread just hasn't updated. As part of being closed,
// this thread will be informed to clean up its list of
// views (see SecondaryViewPage.xaml.cs).
Debug.WriteLine("MultiViewPage.showView_Click: " + ex.ToString());
status.Log(ex.Message);
}
}
async private void createView_Click(object sender, RoutedEventArgs e)
{
try
{
// Set up the secondary view, but don't show it yet.
ViewLifetimeController viewControl = null;
await CoreApplication.CreateNewView().Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
// This object is used to keep track of the views and important
// details about the contents of those views across threads
// In your app, you would probably want to track information
// like the open document or page inside that window.
viewControl = ViewLifetimeController.CreateForCurrentView();
viewControl.Title = string.Format(CultureInfo.CurrentCulture,
LocalizableStrings.MULTIVIEW_DEFAULT_TITLE, viewCount++);
Frame frame = new Frame();
frame.Navigate(typeof(SecondaryViewPage), viewControl);
Window.Current.Content = frame;
ApplicationView.GetForCurrentView().Title = viewControl.Title;
});
if (viewControl != null)
{
((App)Application.Current).SecondaryViews.Add(viewControl);
status.Log(string.Format(CultureInfo.CurrentCulture,
LocalizableStrings.MULTIVIEW_CREATE_VIEW_SUCCESS, viewControl.Title));
}
else
{
status.Log(LocalizableStrings.MULTIVIEW_CREATE_VIEW_FAIL);
}
}
catch (Exception ex)
{
status.Log(ex.Message);
Debug.WriteLine("MultiViewPage.createView_Click: " + ex.ToString());
}
}
