ACAT.Extensions.Default.FunctionalAgents.LectureManager.LectureManagerMainForm.getNextSentence C# (CSharp) Method

        private Sentence getNextSentence()
        {
            if (textBox1.SelectionLength == 0)
            {
                foreach (var sentence in _sentences)
                {
                    if (textBox1.SelectionStart == sentence.Start)
                    {
                        return sentence;
                    }
                }
            }

            return _sentences.FirstOrDefault(sentence => sentence.Start > textBox1.SelectionStart);
        }