opennetcf ---Windows MObile 录音机

 

 

1、先上漂亮的界面图

                           

2、引用OpennetCF 2.2.0.0组件，代码如下

 

 #region 初始化事件
        private Player player;
        private Recorder recorder;
        private Stream stream;
        //录音最大时间（秒）
        private const int RECORD_LENGTH = 3600;
        private string TEMP_PATH = Bussiness.Global.AccessoryPath;
        private string strfileName;
        private string strCamreaName;
        private int pauseAndRestart = 0;
        private int ChangeFile = 0;
        private float filelength = 0;

        private string filter = "*.*";        //文件类型
        private int m_numFiles = 0;        //文件总数
        ArrayList m_pathList = new ArrayList();//包含所有文件路径的数组
        private string[] files;            //所有文件名

        public NewMail newmail { get; set; }
        public string FType { get; set; }
        public string FRecordPath { get; set; }
        public FileManage(string p_strType, NewMail p_objectNewmail)
        {
            InitializeComponent();
            FType = p_strType;
            newmail = p_objectNewmail;
        }
        private void FileManage_Load(object sender, EventArgs e)
        {
            Cursor.Current = Cursors.WaitCursor;
            if (FType == "RECORD")
            {
                tabCFileManage.SelectedIndex = 1;
            }
            if (FType == "ACCESS")
            {
                tabCFileManage.SelectedIndex = 2;
            }
            if (FType == "YUYIN")
            {
                tabCFileManage.SelectedIndex = 1;
                int index = FRecordPath.LastIndexOf(".");
                int m_index = FRecordPath.LastIndexOf("//");
                if (FRecordPath.Substring(index + 1).ToUpper() == "WAV")
                {
                    if (FRecordPath.Contains("//"))
                    {
                        ChangeFile = 1;
                        pauseAndRestart = 0;
                        strfileName = FRecordPath.Substring(m_index + 1, index - m_index - 1);
                    }
                }
                else
                {
                    MessageBox.Show("请选择WAV格式的文件!", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
                }
            }
            //实例化录音机
            recorder = new Recorder();
            recorder.DoneRecording += new WaveFinishedHandler(recorder_DoneRecording);
            //实例化播放器
            player = new Player();
            player.DonePlaying += new WaveDoneHandler(player_DonePlaying);
            labelViewTime.Text = "00:00";
            labelState.Text = "无";
            if (FType == "YUYIN")
                labelCurrent.Text = strfileName;
            else
                labelCurrent.Text = "          暂无录音文件";
            this.timer1.Enabled = false;
            //附件初始化
            ParseDirectory(TEMP_PATH, "*.*"); //初始化文件目录
            files = CreatePathList();        //生成文件名数组
            Cursor.Current = Cursors.Default;
        }
        private void menuItemBack_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        #endregion

 

 

#region 录音/播放
        //录音中的事件
        void recorder_DoneRecording()
        {
        }
        //播放中的事件
        void player_DonePlaying(object sender, IntPtr wParam, IntPtr lParam)
        {
        }
        /// <summary>
        /// 录音
        /// </summary>
        private void btnRecord_Click(object sender, EventArgs e)
        {
            try
            {
                if (player.Playing)
                    player.Stop();
                labelState.Text = "录音中";
                labelViewTime.Text = "00:00";
                strfileName = Global.UserID + "-Record-" + String.Format("{0}月{1}时{2}分{3}秒", DateTime.Now.Month.ToString(), DateTime.Now.Hour.ToString(), DateTime.Now.Minute.ToString(), DateTime.Now.Second.ToString());
                string FilePath = string.Format("{0}//{1}.wav", Bussiness.Global.AccessoryPath, strfileName);
                //检查临时录音文件是否存在
                if (File.Exists(FilePath))
                {
                    if (DialogResult.Yes == MessageBox.Show("存在相同文件名的录音文件是否覆盖?", "系统提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button1))
                    {
                        File.Delete(string.Format(FilePath));
                        Record(FilePath);
                    }
                    else
                    {
                        FilePath = string.Format("{0}//{1}.wav", Bussiness.Global.AccessoryPath, strfileName + Guid.NewGuid().ToString());
                        Record(FilePath);
                    }
                }
                else
                    Record(FilePath);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
            }

        }
        private void Record(string FilePath)
        {
            try
            {
                stream = File.OpenWrite(FilePath);
                labelCurrent.Text = strfileName;
                labelViewTime.Text = "00:00";
                timer1.Enabled = true;
                this.timer1.Interval = 1000;
                recorder.RecordFor(stream, RECORD_LENGTH, SoundFormats.Mono8bit11kHz);
                btnRecord.Enabled = false;
                btnPlay.Enabled = false;
                btnOpenFile.Enabled = false;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
            }
        }
        /// <summary>
        /// 停止
        /// </summary>
        private void btnStop_Click(object sender, EventArgs e)
        {
            try
            {
                if (recorder.Recording)
                {
                    recorder.Stop();
                    timer1.Enabled = false;
                    btnRecord.Enabled = true;
                    btnPlay.Enabled = true;
                    btnOpenFile.Enabled = true;
                    this.trackBar1.Value = 0;
                    labelState.Text = "停止";
                    ParseDirectory(TEMP_PATH, "*.*");
                }
                pauseAndRestart = 0;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
            }
        }
        /// <summary>
        /// 播放
        /// </summary>
        private void btnPlay_Click(object sender, EventArgs e)
        {
            try
            {
                if (player.Playing || pauseAndRestart == 1 || ChangeFile == 2)
                {
                    //暂停
                    if (pauseAndRestart == 1)
                    {
                        player.Restart();
                        timer2.Enabled = true;
                        labelState.Text = "播放";
                        pauseAndRestart = 0;
                        imageList2.ImageSize = new Size(52, 56);
                        btnPlay.Image = imageList2.Images[1];
                        btnRecord.Enabled = false;
                        btnCancel.Enabled = false;
                        btnStop.Enabled = false;
                        btnOpenFile.Enabled = false;
                    }
                    else
                    {
                        player.Pause();
                        timer2.Enabled = false;
                        pauseAndRestart = 1;
                        labelState.Text = "暂停";
                        imageList2.ImageSize = new Size(52, 56);
                        btnPlay.Image = imageList2.Images[0];
                        btnRecord.Enabled = true;
                        btnCancel.Enabled = true;
                        btnStop.Enabled = true;
                        btnOpenFile.Enabled = true;
                    }
                }
                else if (!string.IsNullOrEmpty(strfileName))
                {
                    string AudioPath = Global.AccessoryPath + strfileName + ".wav";
                    Stream s = File.OpenRead(AudioPath);
                    player.Play(s);
                    FileInfo fileinfo = new FileInfo(AudioPath);
                    float m_value = fileinfo.Length / 1024;
                    filelength = m_value / 11;
                    labelViewTime.Text = "00:00";
                    labelState.Text = "播放";
                    imageList2.ImageSize = new Size(52, 56);
                    btnPlay.Image = imageList2.Images[1];
                    timer2.Enabled = true;
                    this.timer2.Interval = 1000;
                    btnRecord.Enabled = false;
                    btnCancel.Enabled = false;
                    btnStop.Enabled = false;
                    btnOpenFile.Enabled = false;
                    ChangeFile = 2;
                }
                else
                {
                    MessageBox.Show("对不起，要播放的文件不存在!", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("找不到音频文件或者源文件有错!", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
            }
        }
        //取消
        private void btnCancel_Click(object sender, EventArgs e)
        {
            try
            {
                Cursor.Current = Cursors.WaitCursor;
                strfileName = Global.AccessoryPath + strfileName + ".wav";
                if (recorder.Recording)
                {
                    recorder.Stop();
                    timer1.Enabled = false;
                    btnRecord.Enabled = true;
                    btnPlay.Enabled = true;
                    btnOpenFile.Enabled = true;
                    this.trackBar1.Value = 0;
                    labelViewTime.Text = "00:00";
                    labelState.Text = "取消";
                    labelCurrent.Text = "          暂无录音文件";
                    ParseDirectory(TEMP_PATH, "*.*");
                    Cursor.Current = Cursors.Default;
                }
                Cursor.Current = Cursors.Default;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
            }
        }

        /// <summary>
        /// 遍历是否只选中一个
        /// </summary>
        private bool CheckLV(ref string m_message)
        {
            int i = 0;
            foreach (ListViewItem lv in LVShowRecord.Items)
            {

                if (lv.Checked)
                {
                    i++;
                }
            }
            if (i < 1)
            {
                m_message = "请选择文件!";
            }
            if (i > 1)
            {
                m_message = "一次只能选择一个文件!";
            }
            return i == 1 ? true : false;
        }
        #endregion

#region 录音计时
        private void timer1_Tick(object sender, EventArgs e)
        {
            try
            {
                StringToTime(labelViewTime.Text);
                this.trackBar1.Minimum = 0;
                this.trackBar1.Maximum = 2;
                this.trackBar1.TickFrequency = 1;
                if (recorder.Recording)
                {
                    if (trackBar1.Value == 2)
                    {
                        trackBar1.Value = 0;
                    }
                    trackBar1.Value++;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
            }
        }

        public void StringToTime(string strTime)
        {
            int minutes = Convert.ToInt32(strTime.Substring(0, strTime.IndexOf(":")));
            int seconds = Convert.ToInt32(strTime.Substring(strTime.IndexOf(":") + 1));
            RunTime(minutes, seconds);
        }
        public void RunTime(int minutes, int seconds)
        {
            try
            {
                seconds++;
                if (seconds > 59)
                {
                    minutes++;
                    seconds = 0;
                    if (minutes > 59)
                    {
                        recorder.Stop();
                        MessageBox.Show("时间超过!");
                    }
                }
                string min = minutes < 10 ? ("0" + minutes.ToString()) : minutes.ToString();
                string sec = seconds < 10 ? ("0" + seconds.ToString()) : seconds.ToString();
                labelViewTime.Text = min + ":" + sec;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
            }
        }
        #endregion

 

 

 #region 进度条
        private void timer2_Tick(object sender, EventArgs e)
        {
            try
            {
                StringToTime(labelViewTime.Text);
                this.trackBar1.Minimum = 0;
                int filelen = ((int)filelength) - 1;
                this.trackBar1.Maximum = filelen;
                this.trackBar1.TickFrequency = 1;

                if (player.Playing)
                {
                    if (trackBar1.Value == (int)filelen)
                    {
                        player.Stop();
                        trackBar1.Value = 0;
                        labelViewTime.Text = "00:00";
                        imageList2.ImageSize = new Size(52, 56);
                        btnPlay.Image = imageList2.Images[0];
                        labelState.Text = "停止";
                        btnPlay.Enabled = true;
                        btnRecord.Enabled = true;
                        btnStop.Enabled = true;
                        btnOpenFile.Enabled = true;
                        pauseAndRestart = 0;
                        ChangeFile = 0;
                    }
                    trackBar1.Value++;
                }
                else
                {
                    trackBar1.Value = 0;
                    timer2.Enabled = false;
                    labelViewTime.Text = "00:00";
                    imageList2.ImageSize = new Size(52, 56);
                    btnPlay.Image = imageList2.Images[0];
                    labelState.Text = "停止";
                    btnDel.Enabled = true;
                    btnPlay.Enabled = true;
                    btnRecord.Enabled = true;
                    btnOpenFile.Enabled = true;
                    btnStop.Enabled = true;
                    btnOpenFile.Enabled = true;
                    ChangeFile = 0;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
            }
        }
        #endregion

 

这个组件有个比较大的不足就是在播放时如果要停止执行到player.stop()时就会出错，我到官方网站上也有人提了类似的问题可是并没有找到解决办法，后来只好用暂停的事件去代替，不过总算不再出现异常 。

虽然有些手机都有自带的录音机没有也可以安装，不过或许有些程序总是会用到的，哈哈，希望对园里这方面开发的朋友会有帮助。

 

 

 

转自：http://www.cnblogs.com/datong/archive/2008/12/13/1354189.html