public NoteManager(INoteLoader noteLoader, INoteReader noteReader)
{
_noteReader = noteReader;
_noteLoader = noteLoader;
MyNotes = new ObservableCollection <MyNote>(_noteLoader.Load());
}
private NoteManager()
{
NoteLoader = ServiceLoaderFactory <INoteLoader> .CreateService();
NoteReader = ServiceLoaderFactory <INoteReader> .CreateService();
MyNotes = new ObservableCollection <MyNote>(NoteLoader.Load());
}