/// <summary>/// 利用“SpeechLib组件”调用“windows系统声音”来读取“文本”内容/// </summary>/// <param name="str"></param>        private void SpeakText(string str)        {            SpeechVoiceSpeakFlags sVSFlagsAsync = SpeechVoiceSpeakFlags.SVSFlagsAsync;            SpVoice voice = new SpVoiceClass();            voice.Rate = 1;            voice.Speak(str, sVSFlagsAsync);        }

/// <summary>/// 读取 data.dat 中的数据/// </summary>        private void Deserialize()        {            FileStream serializationStream = new FileStream(Application.StartupPath + @"\data.dat", FileMode.Open);try            {                BinaryFormatter formatter = new BinaryFormatter();                Hashtable hst = (Hashtable)formatter.Deserialize(serializationStream);

foreach (DictionaryEntry entry in hst)                {//读取数据...                }            }catch (SerializationException exception)            {                MessageBox.Show(exception.Message);            }finally            {                serializationStream.Close();            }        }

/// <summary>/// 保存Hashtable格式的数据为文件/// </summary>        private void Serialize()        {            FileStream serializationStream = new FileStream(Application.StartupPath + @"\data.dat", FileMode.Create);            BinaryFormatter formatter = new BinaryFormatter();            Hashtable hst = new Hashtable();

//设置Hashtable数据值            hst.Add("key1", "value1");            hst.Add("key2", "value2");

            formatter.Serialize(serializationStream, hst);            serializationStream.Close();        }