public MainViewModel()
{
ChangeViewCommand = new RelayCommand <string>((p) => ChangeView(p));
ToggleHamburgerCommand = new RelayCommand(() => MessengerInstance.Send(new SlideHamburgerMessage()));
OpenSettingsCommand = new RelayCommand(() => NavigationService.ChangePage("Settings"));
}
public HamburgerViewModel()
{
AboutCommand = new RelayCommand(() => NavigationService.ChangePage("About"));
SettingsCommand = new RelayCommand(() => NavigationService.ChangePage("Settings"));
}