public SpeakerController(Services.ISpeakersService speakersService) { _speakersService = speakersService; }
public SpeakersViewModel(Services.ISpeakersService speakersService) : base() { _speakersService = speakersService; }
public SpeakersViewModel(Services.ISpeakersService speakersService, INavigationService navigationService) : base() { _speakersService = speakersService; _navigationService = navigationService; }