Bloom.Book.Book.GetIndexOfPage C# (CSharp) Метод

        private int GetIndexOfPage(XmlElement pageElement)
        {
            var elements = GetPageElements();
            for (int i = 0; i < elements.Count; i++)
            {
                if (elements[i] == pageElement)
                    return i;
            }
            return -1;
        }