private void ShowNotice(Notice notice) { if (notice == Notice.Empty) { if (_emptyNotice == null) { _emptyNotice = CreateNoticeBlock(notice.GetText()); } LayoutRoot.Children.Add(_emptyNotice); } else if (notice == Notice.Loading) { if (_loadingNotice == null) { _loadingNotice = CreateNoticeBlock(notice.GetText()); } LayoutRoot.Children.Add(_loadingNotice); } else throw new Exception("Unknown enum type"); }