private async void AddNote(object sender, RoutedEventArgs e) { var id = Guid.NewGuid().ToString("N"); await _controller.AddNote(new Note { Id = id, Color = new SolidColorBrush(Colors.OrangeRed), Edited = DateTime.Now }); var note = new NoteWindow(_controller, id); note.ShowNoteList.Click += ShowNoteList; note.DeleteNote.Click += DeleteNote; note.AddNote.Click += AddNote; note.Show(); ShowNoteList(); }