private void AddBookmark(string text, TextRenderData first, TextRenderData last, Color color) { BookmarkModel bookmark = _bookmarkRepository.AddBookmark( ViewModel.BookId, PageCanvas.Bookmarks, text, ColorHelper.ToInt32(color), first.TokenID, last.TokenID); var previousPageWord = PageCanvas.PreviousTexts.LastOrDefault() ?? new TextRenderData(); if (first.TokenID == previousPageWord.TokenID) { PageCanvas.Highlight(PageCanvas.GetPrevPagePanel(), previousPageWord.Rect, previousPageWord.Rect, bookmark, color); } var nextPageWord = PageCanvas.NextTexts.FirstOrDefault() ?? new TextRenderData(); if (last.TokenID == nextPageWord.TokenID) { PageCanvas.Highlight(PageCanvas.GetNextPagePanel(), nextPageWord.Rect, nextPageWord.Rect, bookmark, color); } PageCanvas.Highlight(PageCanvas.GetCurrentPagePanel(), first.Rect, last.Rect, bookmark, color); }