/// <summary>
/// Invoked when the application is launched normally by the end user. Other entry points
/// will be used when the application is launched to open a specific file, to display
/// search results, and so forth.
/// </summary>
/// <param name="args">Details about the launch request and process.</param>
protected override void OnLaunched(LaunchActivatedEventArgs args)
{
// if the view model is not loaded, create a new one
if (Model == null) {
Model = new Model();
}
var rootFrame = Window.Current.Content as Frame;
// Do not repeat app initialization when the Window already has content,
// just ensure that the window is active
if (rootFrame == null) {
// Create a Frame to act as the navigation context and navigate to the first page
rootFrame = new Frame();
if (args.PreviousExecutionState == ApplicationExecutionState.Terminated) {
//TODO: Load state from previously suspended application
}
// Place the frame in the current Window
Window.Current.Content = rootFrame;
}
if (rootFrame.Content == null) {
// When the navigation stack isn't restored navigate to the first page,
// configuring the new page by passing required information as a navigation
// parameter
if (!rootFrame.Navigate(typeof(DrashPage), args.Arguments)) {
throw new Exception("Failed to create initial page");
}
((DrashPage)rootFrame.Content).Model = new ViewModel(Model);
}
// Ensure the current window is active
Window.Current.Activate();
RegisterBackgroundTask();
RegisterAppSettings();
}
public ViewModel(Model model)
: this()
{
Model = model;
}
