/// <summary>
/// Launches another window with the specified page type.
/// </summary>
/// <param name="viewType">Type of the page requested in the secondary window.</param>
/// <param name="parameter">Page parameter to pass to the new page instance.</param>
/// <returns>Awaitable task is returned.</returns>
public virtual async Task NewWindow(Type viewType, object parameter)
{
try
{
// Create a new window
var view = CoreApplication.CreateNewView();
int windowID = 0;
await view.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
windowID = ApplicationView.GetApplicationViewIdForWindow(CoreWindow.GetForCurrentThread());
// Register the new window
this.RegisterCoreWindow();
// Create a frame for the new window
var frame = new ApplicationFrame(true);
Window.Current.Content = frame;
// Navigate to a page within the new window based on the parameters of this method
this.SecondaryWindow(new NavigationRequest(viewType, this.SerializeParameter(parameter)));
// Show the new window
Window.Current.Activate();
ApplicationView.GetForCurrentView().Consolidated += View_Consolidated;
PlatformBase.CurrentCore.Logger.Log(LogLevels.Warning, $"Launched new window");
});
// Run this on the last dispatcher so the windows get positioned correctly
bool viewShown;
await AppWindows[AppWindows.Keys.First()].Dispatcher.RunAsync(CoreDispatcherPriority.Normal, async() =>
{
viewShown = await ApplicationViewSwitcher.TryShowAsStandaloneAsync(windowID);
});
// Track the new window
AppWindows.Add(windowID, view);
}
catch (Exception ex)
{
PlatformBase.CurrentCore.Logger.LogError(ex, "Could not create new window for view type {0}.", viewType.Name);
throw ex;
}
}
// Obtain from MS docs
// https://docs.microsoft.com/en-us/windows/uwp/design/layout/app-window
private async void NewWindow(String Title, Type Page)
{
appWindow = await AppWindow.TryCreateAsync();
appWindow.Title = Title;
Frame appWindowContentFrame = new Frame();
appWindowContentFrame.Navigate(Page);
ElementCompositionPreview.SetAppWindowContent(appWindow, appWindowContentFrame);
AppWindows.Add(appWindowContentFrame.UIContext, appWindow);
appWindow.Closed += delegate
{
MainPage.AppWindows.Remove(appWindowContentFrame.UIContext);
appWindowContentFrame.Content = null;
appWindow = null;
};
await appWindow.TryShowAsync();
}
