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基于C#的音乐播放器主Form实现代码 基于C#的音乐播放器主Form实现代码

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本文所述为一个由C#编写的音乐播放器的主Form代码,里面有一些小技巧还是不错的,现共享给大家参考一下。里面有播放器背景设置、线程定义、调用读取文件目录方法、播放时间计数器、设置LV背景、获取播放歌曲、播放按钮,切换播放or暂停、切换歌曲到下一首,调用切歌方法、显示播放列表、歌词局中、播放窗体最小化隐藏到托盘设置、进度条滚动模块、从歌曲列表中删除文件等等功能。且各个功能模板均备有较为详细的注释,便于大家阅读理解。

程序主要代码如下:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Drawing.Imaging;
using System.Threading;
namespace MyMusicBox
{
  public partial class MainForm : Form
  {
    public MainForm()
    {
      InitializeComponent();
      SetStyle(ControlStyles.UserPaint, true);
      SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
      SetStyle(ControlStyles.AllPaintingInWmPaint, true);
      SetStyle(ControlStyles.DoubleBuffer, true); 
     
    }
    Song mySong = null;//播放的歌曲对象
    ListViewItem itemLrc;//打开歌词路径项
    Bitmap bm ;//用于动态设置LV背景
    public SavingInfo sa = null;//持久化信息类
    Thread thread;//后台线程
 
    #region 加载事件
    private void MainForm_Load(object sender, EventArgs e)
    {
        //调用读取配置文件方法
        Path.ReadPath();
        //窗体背景设置为配置文件中的图片
        this.BackgroundImage = Image.FromFile(Path.bgPath);
        //调用读取文件目录方法
        Path.ReadSong();
        //读取播放列表
        sa = new SavingInfo();
        sa.LoadPlayList();
        //绑定LV
        BindAllLV();
        BindPlayLV();
        SetLV();
        SetLrcBG();
        timer1.Enabled = Path.Playing;
        //显示时间
        lblTime.Text = System.DateTime.Now.ToString();
        //两个lbl用来根据歌曲总长和播放长度显示进度,设置位置重叠
        lblRuning.Location = lblLong.Location;
        //启动线程
        thread = new Thread(Renovate);
        thread.IsBackground = true;
        thread.Start();
      
    }
    #endregion
    #region 后台刷新
    /// <summary>
    /// 时间计数状态等刷新
    /// </summary>
    private void Renovate()
    {
      //while (true)
      //{
      //  //计数
      //  Count();
      //  //获取当前时间
      //  lblTime.Text = System.DateTime.Now.ToString();
      //  //无歌曲提示,如果播放列表为空且当前播放列表为显示状态
      //  if (lvPlay.Items.Count == 0 && lvPlay.Visible)
      //    lblTs.Visible = true;
      //  else
      //    lblTs.Visible = false;
      //  Thread.Sleep(1000);
      //}
    }
    #endregion
    #region 设置LV背景
    /// <summary>
    /// 设置LV背景
    /// </summary>
    public void SetLV()
    {
      bm = new Bitmap(this.BackgroundImage, this.Width, this.Height);
      //绘制矩形,定义起始位置和宽高
      Rectangle r = new Rectangle(lvPlay.Location.X, lvPlay.Location.Y, lvPlay.Width, lvSong.Height);
      //按矩形尺寸和起始位置截取bm的一部分
      bm= bm.Clone(r,bm.PixelFormat);
      //把截取到的图片设置为lv背景,达到与主窗体背景完美契合的效果
      lvSong.BeginUpdate();
      lvSong.BackgroundImage = (Image)bm;
      lvSong.EndUpdate();
      lvPlay.BeginUpdate();
      lvPlay.BackgroundImage = (Image)bm;
      lvPlay.EndUpdate();
    }
    #endregion
    
    #region 获取歌曲
    /// <summary>
    /// 获取播放歌曲
    /// </summary>
    private void GetSong()
    {
      //接收播放歌曲方法,获得一个歌曲对象
      this.mySong = PlayList.Play();
      //如果歌曲对象不为空
      if (mySong != null)
      {
        //播放器路径设置为该歌曲路径
        wmp.URL = mySong.FileName;
        //调用方法,显示歌曲名、歌手
        lblName.Text = PlayList.GetName();
        lblSinger.Text = PlayList.GetSinger();
        mySong.SongState = SongPlayState.played;//修改播放状态
        //播放按钮图片修改为暂停图片
        btnPlay.Image = Image.FromFile("Images\\stop.png"); 
        try
        {
          
          //读取歌词路径
          Path.ReadLrc();
          AddLrc();
          //启动一个定时器,此定时器只控制歌词轮播
          timer2.Start();
        }
        catch (Exception)
        {
          LrcNull();
          itemLrc = new ListViewItem();
          itemLrc.SubItems.Add("找不到该歌曲歌词文件!");
          itemLrc.ForeColor = Color.Blue;
          itemLrc.Font = new Font("微软雅黑", 14.25F, ((FontStyle)((FontStyle.Bold | FontStyle.Underline))), GraphicsUnit.Point, ((byte)(134)));
          lvLrc.Items.Add(itemLrc);
        }
      }
    }
    #endregion
    #region 主定时器
    //定时器1
    private void timer1_Tick(object sender, EventArgs e)
    {
      if (Path.songPath == "")
      {
        timer1.Enabled = false;
        return;
      }
      
      //如果当前无播放歌曲,调用获取歌曲的方法
      if (this.mySong == null)
      {
        GetSong();
      }
      //自动下一首,如果当前播放完毕
      if (this.wmp.playState == WMPLib.WMPPlayState.wmppsStopped)
      {
        this.mySong = null; // 将歌曲设为空
        Path.lrcPath = "";
        Path.dicLrc.Clear();
        PlayModel();
        PlayList.PlayNext();
        Thread.Sleep(1000);
      }
      // 切歌,当前有播放歌曲且播放状态为cut
      if (this.mySong != null && this.mySong.SongState == SongPlayState.cut)
      {
        this.wmp.URL = "";//置空
        timer2.Stop();
        Path.dicLrc.Clear();
        Path.lrcPath = "";
        this.mySong = null;
      }
      //如果当前有播放歌曲,需要获取的一些属性
      if (wmp.URL!="")
      {
        //设置当前播放歌曲颜色
        SongColor();
        //获取音量控件显示值,根据控制刻度数量计算
        this.trackBar1.Value = wmp.settings.volume / 10;
        //歌曲时间显示,一个是总长度,一个是已播放长度,字符串类型
        lblAll.Text = wmp.currentMedia.durationString;
        lblRun.Text = wmp.Ctlcontrols.currentPositionString;
        //进度条,使用了两个lbl控件,歌曲长度/已播放长度=lbl1的宽/lbl2的宽
        //乘1000为防止数据过小出现错误
        double temp = (wmp.currentMedia.duration*1000) / (wmp.Ctlcontrols.currentPosition*1000);
        double width = lblLong.Width;
        double avg = width / temp;
        //判断>1为了防止avg数值小于int界限
        if(avg>1)
          lblRuning.Width = Convert.ToInt32(avg);
        picRun.Left = lblRuning.Right;
        //托盘显示播放歌曲
        this.notifyIcon1.Text =lblName.Text + lblSinger.Text;
      }
    }
    #endregion
    #region 播放按钮
    /// <summary>
    /// 播放按钮,切换播放or暂停
    /// </summary>
    private void btnPlay_Click(object sender, EventArgs e)
    {
      if(!timer1.Enabled)
        timer1.Start();
      //如果当前为正在播放
      if (wmp.playState == WMPLib.WMPPlayState.wmppsPlaying)
      {
        //暂停播放
        wmp.Ctlcontrols.pause();
        //按钮图片修改为播放
        btnPlay.Image = Image.FromFile("Images\\play.png");
        //停止控制歌词滚动的定时器
        if (timer2.Enabled)
          timer2.Stop();
      }
      else if (wmp.playState == WMPLib.WMPPlayState.wmppsPaused)
      {
        //开始播放
        wmp.Ctlcontrols.play();
        //按钮图片修改为暂停
        btnPlay.Image = Image.FromFile("Images\\stop.png");
        //启动歌词滚动
        if (!timer2.Enabled&&Path.dicLrc.Count>0)
          timer2.Start();
      }
    }
    #endregion
    #region 切歌
    //切换下一首,调用切歌方法
    private void btnRight_Click(object sender, EventArgs e)
    {
      PlayList.Cut(false);
    }
    //上一首,调用切歌方法
    private void btnLeft_Click(object sender, EventArgs e)
    {
      PlayList.Cut(true);
    }
    #endregion
    #region 音量
    //静音,静音!=音量为0
    private void btnModel_Click(object sender, EventArgs e)
    {
      //如果播放器非静音状态,前景文字显示红叉,状态改为静音
      if (wmp.settings.mute == false)
      {
        btnSound.Text = "×";
        wmp.settings.mute = true;
      }
      else//反之,已是静音状态,清空红叉,设置非静音状态
      {
        btnSound.Text = "";
        wmp.settings.mute = false;
      }
    }
    //设置音量,此事件为控制刻度值变化时
    private void trackBar1_Scroll(object sender, EventArgs e)
    {
      //音量设置为控制刻度*10(因为初始化的时候是/10)
      wmp.settings.volume = this.trackBar1.Value * 10;
    }
    #endregion
    #region 歌曲列表操作
    /// <summary>
    /// 绑定所有歌曲LV数据
    /// </summary>
    private void BindAllLV()
    {
      //如果所有歌曲集合为空,结束
      if (PlayList.song == null)
        return;
      lvSong.Items.Clear();
      //遍历集合绑定到所有歌曲LV
      foreach (Song s in PlayList.song)
      {
        ListViewItem item = new ListViewItem(s.Name);
        item.Tag = s;
        item.SubItems.Add(s.Singer);
        lvSong.Items.Add(item);
      }
    }
    //点击显示所有歌曲
    private void tslblAll_Click(object sender, EventArgs e)
    {
      //隐藏播放列表
      lvPlay.Visible = false;
      //两个LV位置重叠
      lvSong.Location = lvPlay.Location;
      //点击后改变背景色
      tslblAll.BackColor = Color.Silver;
      tslblPlay.BackColor = Color.Transparent;
      //显示所有歌曲LV
      lvSong.Visible = true;
    }
    //点击显示播放列表
    private void tslblPlay_Click(object sender, EventArgs e)
    {
      //调用绑定播放LV数据
      BindPlayLV();
      //背景色改变
      tslblPlay.BackColor = Color.Silver;
      tslblAll.BackColor = Color.Transparent;
      //隐藏所有歌曲LV
      lvSong.Visible = false;
      //显示播放LV
      lvPlay.Visible = true;
    }
    /// <summary>
    /// 绑定播放列表
    /// </summary>
    private void BindPlayLV()
    {
      //如果播放集合不为空
      if (PlayList.play!=null)
      {
        lvPlay.Items.Clear();
        //遍历集合绑定播放LV
        foreach (Song s in PlayList.play)
        {
          int id = lvPlay.Items.Count + 1;
          s.Id = id;
          ListViewItem item = new ListViewItem(id.ToString());
          item.SubItems.Add(s.Name);
          item.Tag = s;
          lvPlay.Items.Add(item);
        } 
      }
    }
    /// <summary>
    /// 歌曲计数
    /// </summary>
    private void Count()
    {
      //if (lvSong.Visible)
      //  lblCount.Text = "已选" + lvSong.CheckedItems.Count + "\\总" + lvSong.Items.Count;
      //if (lvPlay.Visible)
      //  lblCount.Text = "总" + lvPlay.Items.Count;
    }
    #endregion
    #region 歌词操作
    /// <summary>
    /// 设置歌词背景
    /// </summary>
    public void SetLrcBG()
    {
      bm = new Bitmap(this.BackgroundImage, this.Width, this.Height);
      //绘制矩形,定义起始位置和宽高
      Rectangle r = new Rectangle(lvLrc.Location.X, lvLrc.Location.Y, lvLrc.Width, lvLrc.Height);
      //按矩形尺寸和起始位置截取bm的一部分
      bm = bm.Clone(r, PixelFormat.Undefined);
      //把截取到的图片设置为lv背景,达到与主窗体背景完美契合的效果
      lvLrc.BeginUpdate();
      lvLrc.BackgroundImage = (Image)bm;
      lvLrc.EndUpdate();
    }
    int nullCount;//记录空行位置
    /// <summary>
    /// 设置空行,使歌词局中
    /// </summary>
    private void LrcNull()
    {
      lvLrc.Items.Clear();
      nullCount = (int)Math.Ceiling(Convert.ToDouble(lvLrc.Height / 30 / 2));
      for (int i = 0; i <= nullCount; i++)
      {
        lvLrc.Items.Add("");
      }
    }
    /// <summary>
    /// 添加歌词
    /// </summary>
    private void AddLrc()
    {
      LrcNull();
      foreach (string key in Path.dicLrc.Keys)
      {
        ListViewItem item = new ListViewItem();
        item.SubItems.Add(Path.dicLrc[key]);
        item.Tag = key;
        lvLrc.Items.Add(item);
      }
    }
    //只控制歌词轮播
    private void timer2_Tick(object sender, EventArgs e)
    {
      //调用显示歌词的方法
      ShowLrc();
    }
    /// <summary>
    /// 显示歌词
    /// </summary>
    private void ShowLrc()
    {
      foreach (ListViewItem item in lvLrc.Items)
      {
        if (item.Tag == null)
          continue;
        if (item.Tag.ToString() == lblRun.Text )
        {
          item.ForeColor = Color.DarkOrange;
          item.Font = new Font("华文琥珀", 16F, FontStyle.Regular, GraphicsUnit.Point, ((byte)(134)));
          lvLrc.Items[item.Index -1].ForeColor = Color.Silver;
          lvLrc.Items[item.Index - 1].Font = new Font("微软雅黑", 12F, FontStyle.Regular, GraphicsUnit.Point, ((byte)(134)));
          if (item.Index + 1<lvLrc.Items.Count)
            lvLrc.Items[item.Index+1].EnsureVisible();       
        }
      }
    }
    #endregion
    #region 窗体隐藏到托盘设置
    //最小化到托盘
    private void btnMix_Click(object sender, EventArgs e)
    {
      this.Hide();
    }
    //主窗体大小状态变化时
    private void MainForm_SizeChanged(object sender, EventArgs e)
    {
      if (this.WindowState == FormWindowState.Minimized)
      {
        //启动一个控件,该控制可以让程序在右下角显示图标,需要提前设置该控制显示的图标图片
        this.notifyIcon1.Visible = true;
      }
    }
    //托盘显示,双击显示窗体
    private void notifyIcon1_MouseDoubleClick(object sender, MouseEventArgs e)
    {
      ShowMain();
    }
    /// <summary>
    /// 显示主窗体
    /// </summary>
    public void ShowMain()
    {
      if (!this.Visible)
      {
        this.TopMost = true;
        this.Show();
        this.TopMost = false;
      }
      else
      {
        this.TopMost = true;
        this.TopMost = false;
      }
    }
    //托盘打开窗体
    private void tsmiShow_Click(object sender, EventArgs e)
    {
      ShowMain();
    }
    //托盘退出
    private void tsmiExit_Click(object sender, EventArgs e)
    {
      Application.Exit();
    }
    #endregion
    #region 窗体位移
    Point mouseOff;//鼠标移动位置变量
    bool leftFlag;//标记是否为左键
    private void pnlMain_MouseDown(object sender, MouseEventArgs e)
    {
      if (e.Button == MouseButtons.Left)
      {
        mouseOff = new Point(-e.X, -e.Y); //得到变量的值
        leftFlag = true; //点击左键按下时标注为true;
      }
    }
    private void pnlMain_MouseMove(object sender, MouseEventArgs e)
    {
      if (leftFlag)
      {
        Point mouseSet = Control.MousePosition;
        mouseSet.Offset(mouseOff.X, mouseOff.Y); //设置移动后的位置
        Location = mouseSet;
      }
    }
    private void pnlMain_MouseUp(object sender, MouseEventArgs e)
    {
      if (leftFlag)
      {
        leftFlag = false;//释放鼠标后标注为false;
      }
    }
  #endregion
    #region 进度条滚动块移动
    int runX;//记录滚动块初始位置
    private void picRun_MouseDown(object sender, MouseEventArgs e)
    {
      runX = e.X;
    }
    //释放鼠标位移,进度前进
    private void picRun_MouseUp(object sender, MouseEventArgs e)
    {
      picRun.Left += e.X - runX - picRun.Width / 2;
      if (picRun.Left > lblLong.Right)
        picRun.Left = lblLong.Right;
      if(picRun.Left<lblLong.Left)
        picRun.Left = lblLong.Left;
      if (mySong != null)
      {
        lblRuning.Width = picRun.Right- lblRuning.Left;
        double temp = (lblLong.Width*1000.0 )/ (lblRuning.Width*1000.0);
        wmp.Ctlcontrols.currentPosition = wmp.currentMedia.duration / temp;
      }
    }
    #endregion
    #region 歌曲增删操作
    //添加歌曲到播放列表
    private void tsmiAdd_Click(object sender, EventArgs e)
    {
      if (lvSong.CheckedItems.Count > 0)
      {
        foreach (ListViewItem item in lvSong.CheckedItems)
        {
           // 遍历播放集合,如果存在不添加
           foreach (Song s in PlayList.play)
           {
             if (s.Name == item.Text)
             {
               PlayList.play.Remove(s);
               break;
             }
           }
           PlayList.play.Add(item.Tag as Song);
        }
      }
    }
    //所有歌曲:删除选中歌曲
    private void tsmiDel_Click(object sender, EventArgs e)
    {
      foreach (ListViewItem item in lvSong.Items)
      {
        if (item.Checked)
        {
          PlayList.song.Remove(item.Tag as Song);
        } 
      }
      BindAllLV();
    }
    //全选歌曲
    private void tsmiCheck_Click(object sender, EventArgs e)
    {
      foreach (ListViewItem item in lvSong.Items)
      {
        if (tsmiCheck.Text == "全部选中")
        {
          item.Checked = true;
          if(item.Index+1==lvSong.Items.Count)
            tsmiCheck.Text = "取消选中";
        }
        else
        {
          item.Checked = false;
          if (item.Index + 1 == lvSong.Items.Count)
            tsmiCheck.Text = "全部选中";
        }
      }
    }
    //选中项的同时选中复选框
    private void lvSong_MouseDown(object sender, MouseEventArgs e)
    {
      if (lvSong.SelectedItems.Count > 0 && e.Button == MouseButtons.Left)
      {
        lvSong.SelectedItems[0].Checked = true;
      }
    }
    //播放列表删除事件
    private void tsmiPlayDel_Click(object sender, EventArgs e)
    {
      foreach (ListViewItem item in lvPlay.Items)
      {
        if (item.Selected)
        {
          //PlayList.id = (lvPlay.Items[item.Index+1].Tag as Song).Id;
          //this.song = null;
          PlayList.play.Remove(item.Tag as Song);
        }
      }
      BindPlayLV();
    }
    //清空播放列表
    private void tsmiPlayClear_Click(object sender, EventArgs e)
    {
      PlayList.play.Clear();
      this.mySong = null;
      BindPlayLV();
    }
    //从播放列表删除文件
    private void tsmiPlayDelFile_Click(object sender, EventArgs e)
    {
      if (lvPlay.SelectedItems.Count > 0)
      {
        DelFile(lvPlay.SelectedItems[0]);
      }
    }
    /// <summary>
    /// 删除某项对应文件
    /// </summary>
    /// <param name="item"></param>
    private void DelFile(ListViewItem item)
    {
      try
      {
        string path = (item.Tag as Song).FileName;
        File.Delete(path);
        BindAllLV();
        BindPlayLV();
      }
      catch (Exception)
      {
        MessageBox.Show("该文件为只读文件或用户权限不够,无法删除!");
      }
    }
    //从所有歌曲中删除文件
    private void tsmiDelFile_Click(object sender, EventArgs e)
    {
      if (lvSong.SelectedItems.Count > 0)
      {
        DelFile(lvSong.SelectedItems[0]);
      }
    }
    //双击列表项播放歌曲
    private void lvPlay_DoubleClick(object sender, EventArgs e)
    {
      if (!timer1.Enabled)
      {
        PlayList.id = (lvPlay.SelectedItems[0].Tag as Song).Id;
        timer1.Start();
      }
      if (lvPlay.SelectedItems.Count > 0)
      {
        PlayList.id = (lvPlay.SelectedItems[0].Tag as Song).Id;
        this.mySong = null;
      }
    }
    #endregion
    #region 设置
    //跳转设置窗体
    private void btnSet_Click(object sender, EventArgs e)
    {
      SetForm set = new SetForm();
      set.parent = this;//把主窗体传过去
      set.Show(this);
    }
    #endregion
    #region 回滚
    /// <summary>
    /// 路径重置后
    /// </summary>
    public void Back()
    {
      BindAllLV();
      PlayList.Update();
      timer1.Start();
    }
    #endregion
    #region 退出
    //关闭时保存列表
    private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
    {
      if (Path.SaveList)
        sa.SavePlayList();
    }
    //面板退出
    private void btnExit_Click(object sender, EventArgs e)
    {
      if (Path.Exit)
      {
        Application.Exit();
      }
      else
      {
        this.Hide();
      }
    }
 
    #endregion
    #region 背景颜色等变换控制
    private void btnLeft_MouseEnter(object sender, EventArgs e)
    {
      ((Button)sender).BackgroundImage = Image.FromFile("Images//allbtn_highlight.png");
    }
    private void btnLeft_MouseLeave(object sender, EventArgs e)
    {
      ((Button)sender).BackgroundImage = null;
    }
    private void tslblPlay_MouseEnter(object sender, EventArgs e)
    {
      ((ToolStripLabel)sender).BackgroundImage = Image.FromFile("Images//Album_bkg_wubian.png");
    }
    private void tslblPlay_MouseLeave(object sender, EventArgs e)
    {
      ((ToolStripLabel)sender).BackgroundImage = null;
    }
    //选中改变颜色
    private void lvSong_ItemChecked(object sender, ItemCheckedEventArgs e)
    {
      foreach (ListViewItem item in lvSong.Items)
      {
        if (item.Checked)
        {
          item.ForeColor = Color.DarkOrange;
        }
        else
        {
          item.ForeColor = Color.DimGray;
        }
      }
    }
    /// <summary>
    /// 当前播放歌曲改变颜色
    /// </summary>
    private void SongColor()
    {
      foreach (ListViewItem item in lvPlay.Items)
      {
        if (item.SubItems[1].Text == lblName.Text)
        {
          item.ForeColor = Color.DeepSkyBlue;
        }
        else
        {
          item.ForeColor = Color.White;
        }
      }
    }
    #endregion
    #region 选择歌词
    private void lvLrc_MouseDown(object sender, MouseEventArgs e)
    {
      if (lvLrc.SelectedItems.Count>0&&lvLrc.SelectedItems[0] == itemLrc)
      {
        if (Path.OpenLrc())
        {
          AddLrc();
          //启动一个定时器,此定时器只控制歌词轮播
          timer2.Start();
        }
      }
    }
    #endregion
    #region 窗体最大化设置
    Size now;//原始尺寸
    Point pN;//原始位置
    //最大化
    private void btnMax_Click(object sender, EventArgs e)
    {
      Size max = new Size(Screen.PrimaryScreen.WorkingArea.Width - 10, Screen.PrimaryScreen.WorkingArea.Height - 20);
      if (this.Size != max)
      {
        pN = this.Location;
        now= this.Size;
        this.Size = max;
        this.Left = 5;
        this.Top = 5;
        btnMax.Image = Image.FromFile("Images//max1.png")
;
      }
      else
      {
        this.Location = pN;
        this.Size = now;
        btnMax.Image = Image.FromFile("Images//max.png");
      }
      SetLV();
      SetLrcBG();
    }
    #endregion
    #region 歌词、MV切换
    private void tsmiLrc_Click(object sender, EventArgs e)
    {
      lvLrc.Visible = true;
      wmp.Visible = false;
      tsmiLrc.BackColor = Color.LawnGreen;
      tsmiMv.BackColor = Color.Transparent;
    }
    private void tsmiMv_Click(object sender, EventArgs e)
    {
      wmp.Location = lvLrc.Location;
      wmp.Size = lvLrc.Size;
      lvLrc.Visible = false;
      wmp.Visible = true;
      tsmiLrc.BackColor = Color.Transparent;
      tsmiMv.BackColor = Color.LawnGreen;
    }
    #endregion
    #region 播放模式切换
    /// <summary>
    /// 播放模式
    /// </summary>
    private void PlayModel()
    {
      if (tsmiOne.Checked)
      {
        PlayList.PlayOne();
      }
      else if (tsmiSJ.Checked)
      {
        PlayList.PlayRandom();
      }
    }
    private void tsmiXH_Click(object sender, EventArgs e)
    {
      ToolStripMenuItem ts=((ToolStripMenuItem)sender);
      foreach(ToolStripMenuItem item in tsmiModel.DropDownItems)
      {
        if (ts.Checked && ts == item)
        {
          continue;
        }
        else
        {
          item.Checked = false;
        }
      }
    }
    #endregion
    
  }
}

希望本文所述示例对大家的C#程序开发能够起到一定的借鉴价值。

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