public UniversalInitializer(
IHostApplicationLifetime lifetime,
Type mainPageType,
MainPageContext context)
{
if (lifetime is null)
{
throw new ArgumentNullException(nameof(lifetime));
}
_mainPageType = mainPageType ?? throw new ArgumentNullException(nameof(mainPageType));
lifetime.ApplicationStarted.Register(() =>
{
if (!(Window.Current.Content is Frame frame))
{
frame = new Frame();
Window.Current.Content = frame;
}
frame.Navigate(_mainPageType, context);
Window.Current.Activate();
});
}
/// <summary>
/// Loads new state of ViewModel
/// </summary>
private void InitialiazeDataContext()
{
this._viewModel = new MainPageContext(App.DbConnectionString);
this._viewModel.LoadData(0);
this.DataContext = this._viewModel;
}