protected BaseEventsViewModel(ISessionService sessionService)
{
SessionService = sessionService;
Title = "Events";
Items = InternalItems.CreateDerivedCollection(CreateEventTextBlocks);
ReportRepository = true;
LoadCommand = ReactiveCommand.CreateAsyncTask(t =>
InternalItems.SimpleCollectionLoad(CreateRequest(),
x => LoadMoreCommand = x == null ? null : ReactiveCommand.CreateAsyncTask(_ => x())));
}