CalDavSynchronizer.Ui.Options.ViewModels.OptionsViewModelBase.OptionsViewModelBase C# (CSharp) Метод

    protected OptionsViewModelBase (IOptionsViewModelParent parent)
    {
      if (parent == null)
        throw new ArgumentNullException (nameof (parent));

      _parent = parent;
      ClearCacheCommand = new DelegateCommand (_ => _parent.RequestCacheDeletion (this));
    }