public SettingsViewModel(ref ModalParameters modalParameters)
{
_modalParameters = modalParameters;
BackNavigationCommand = new Command(backNavigationCommand);
MainMemoryCheckBoxCommand = new Command(mainMemoryCheckBoxCommand);
NavigateDirUpCommand = new Command(navigateDirUpCommand);
ChooseDirCommand = new Command(chooseDirCommand);
}
private void openSettingsCommand(object obj)
{
_settingsParams = new ModalParameters();
var modalSettingsPageTask = Navigation.PushModalAsync(new SettingsPage(ref _settingsParams));
}