c#基于winform制作音乐播放器

前言：项目是c#的winform 写的，使用的播放器是基于AxWindowsMediaPlayer。

AxWindowsMediaPlayer的方法

1 首先新建一个页面 如图所示： 图片左侧是列表 使用listview 右侧是背景图片。图片框框的地方是后面可以实现的，+和-按钮分别代表添加文件和删除文件 还有就是控制播放的顺序。下面的分别是修改歌词的字体 和展示/隐藏

2 新建一个透明的歌词页面[窗体]

3 新建一个半透明的页面[窗体]

4 业务代码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using WMPLib;
using System.Media;
using System.IO;
using System.Text.RegularExpressions;
using AxWMPLib;
using System.Drawing.Drawing2D;
using CCWin;

namespace KenMusicPlayer
{
public partial class MusicPlayer : Skin_DevExpress
{

public int index = 1;
 public int listIndex;
 private bool first_in = true; //是否第一次进入歌词区域
 private bool showLrc = true;//默认显示歌词
 private int imageInd = 0;//播放的图片下标
 private List<string> imageList;//播放的图片
 private Point closePoint;//关闭按钮的位置
 private Size dfSize;//最初的位置

//声音
 SoundPlayer player = new SoundPlayer();
 Dictionary<string, string> dic = new Dictionary<string, string>();

//播放列表
 Dictionary<string, IWMPMedia> playListDict = new Dictionary<string, IWMPMedia>();

List<string> al = new List<string>(); //当前歌词时间表  

IWMPMedia media;

/*
*下面这一大段API调用，主要是用来设置歌词窗口的滚动条的
*但其实后面，我并没有怎么用到，只是在将滚动条滚动到底部时，用了一下
*/
 private const int WM_VSCROLL = 0x115;
 private const int SB_HORZ = 0;
 private const int SB_VERT = 1;
 private const int SB_CTL = 2;
 private const int SB_BOTH = 3;
 private const int SB_LINEUP = 0;
 private const int SB_LINELEFT = 0;
 private const int SB_LINEDOWN = 1;
 private const int SB_LINERIGHT = 1;
 private const int SB_PAGEUP = 2;
 private const int SB_PAGELEFT = 2;
 private const int SB_PAGEDOWN = 3;
 private const int SB_PAGERIGHT = 3;
 private const int SB_THUMBPOSITION = 4;
 private const int SB_THUMBTRACK = 5;
 private const int SB_TOP = 6;
 private const int SB_LEFT = 6;
 private const int SB_BOTTOM = 7;
 private const int SB_RIGHT = 7;
 private const int SB_ENDSCROLL = 8;
 private const int WM_PAINT = 0x000F;

[System.Runtime.InteropServices.DllImport("user32.dll")]
 public static extern bool ScrollWindow(IntPtr hWnd, int XAmount, int YAmount, ref Rectangle lpRect, ref Rectangle lpClipRect);

[System.Runtime.InteropServices.DllImport("user32.dll")]
 public static extern int SetScrollPos(IntPtr hwnd, int nBar, int nPos, bool bRedraw);

[System.Runtime.InteropServices.DllImport("user32.dll")]
 public static extern int SetScrollPos(int nBar, int nPos, bool bRedraw);

[System.Runtime.InteropServices.DllImport("user32.dll")]
 public static extern int GetScrollPos(IntPtr hwnd, int nBar);

[System.Runtime.InteropServices.DllImport("user32.dll")]
 public static extern bool UpdateWindow(IntPtr hWnd);

[System.Runtime.InteropServices.DllImport("user32.dll")]
 public static extern int SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);

public void setWord()
 {

}

public MusicPlayer()
 {
  this.StartPosition = FormStartPosition.CenterScreen;//窗口居中显示
  InitializeComponent();
 }

private void MusicPlayer_Load(object sender, EventArgs e)
 {
  InitLoad();
 }

/// <summary>
 /// 初始化 加载播放列表 如歌词 背景图 定时器等等
 /// </summary>
 private void InitLoad()
 {
  try
  {
   bool flag = false;
   string folder = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "bgImages");
   DirectoryInfo root = new DirectoryInfo(folder);
   FileInfo[] files = root.GetFiles();
   string fileName;
   for (int i = 0; i < files.Length; i++)
   {
    fileName = files[i].Name.ToLower();
    if (fileName.EndsWith(".png") || fileName.EndsWith(".jpeg") || fileName.EndsWith(".jpg"))
    {
     if (!flag)
     {
      imageList = new List<string>();
      this.pictureBox1.Image = Image.FromFile(files[i].FullName);
     }
     imageList.Add(files[i].FullName);
     flag = true;
    }
   }

playerType.Text = playerType.Items[0].ToString();//默认第一个
   closePoint = this.skinButtonClose.Location;
   dfSize = this.Size;
   richTextBox1.BackColor = this.TransparencyKey;
   skinComboBoxFontName.Text = skinComboBoxFontName.Items[0].ToString();//默认第一个
   skinComboBoxFontSize.Text = skinComboBoxFontSize.Items[0].ToString();//默认第一个
   ComboBoxSkinSelect.Text = ComboBoxSkinSelect.Items[0].ToString();//默认第一个
                    //this.BackPalace = Image.FromFile(ComboBoxSkinSelect.Items[0].ToString());//默认第一个

lvDetail.AllowDrop = true;
   lvDetail.View = View.Details;
   lvDetail.DragEnter += Files_DragEnter;//对象拖拽事件
   lvDetail.DragDrop += Files_DragDrop;//拖拽操作完成事件
            //wmp.OpenStateChange += WMP_OpenStateChange;
   wmp.PlayStateChange += WMP_PlayStateChange;
   timerImgs.Start();
  }
  catch (Exception ex)
  {
   Console.WriteLine("错误:" + ex.Message);
  }
 }

/// <summary>
 /// 提供给透明歌词窗口的定时器调用的
 /// </summary>
 /// <param name="s"></param>
 public void showTmform(bool s)
 {
  if (s)
  {
   this.btmForm.Show();
   if (this.first_in)
   {
    this.lrcForm.TopMost = true;
    Point point = this.Location;
    point.Y = point.Y + this.Height;
    this.lrcForm.Location = point;
    this.btmForm.Location = point;
    this.lrcForm.Width = this.Width;
    this.btmForm.Width = this.Width;
    this.first_in = false;
   }
  }
  else
  {
   this.first_in = true;
   this.btmForm.Hide();
  }
 }

/// <summary>
 /// 播放时会进入这个事件
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void WMP_PlayStateChange(object sender, _WMPOCXEvents_PlayStateChangeEvent e)
 {
  loadLrc();
 }

/// <summary>
 /// 拖拽操作完成事件
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void Files_DragDrop(object sender, DragEventArgs e)
 {
  try
  {
   string fileName, fileExtension, fileSize, temp;
   FileInfo fi = null;
   ListViewItem lvi = null;
   Array array = (Array)e.Data.GetData(DataFormats.FileDrop);
   Regex regex = new Regex("(\\.mp3|\\.wav|\\.wma)");
   string filePath;
   for (int i = 0; i < array.Length; i++)
   {
    filePath = array.GetValue(i).ToString();
    //属于音乐文件 且列表中不存在
    if (regex.IsMatch(filePath) &&
     !dic.ContainsKey(filePath))
    {
     wmp.Ctlcontrols.stop();
     InsertPlayList(out fileName, out fileExtension, out fileSize, out temp, out fi, out lvi, filePath);
    }
   }

}
  catch (Exception ex)
  {
   MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
  }
 }

/// <summary>
 /// 插入播放列表 和字典集
 /// </summary>
 /// <param name="fileName"></param>
 /// <param name="fileExtension"></param>
 /// <param name="fileSize"></param>
 /// <param name="temp"></param>
 /// <param name="fi"></param>
 /// <param name="lvi"></param>
 /// <param name="filePath"></param>
 private void InsertPlayList(out string fileName, out string fileExtension, out string fileSize, out string temp, out FileInfo fileInfo, out ListViewItem listViewItem, string filePath)
 {
  fileInfo = new FileInfo(filePath);
  temp = filePath.Remove(filePath.LastIndexOf('.'));
  fileName = Path.GetFileNameWithoutExtension(filePath);
  fileExtension = Path.GetExtension(filePath);
  fileSize = (fileInfo.Length / 1024).ToString() + "KB";

listViewItem = new ListViewItem();
  listViewItem.Text = index++.ToString();
  listViewItem.SubItems.AddRange(new string[] { fileName, fileExtension, fileSize, filePath });

lvDetail.Items.Add(listViewItem);
  //添加到播放列表
  media = wmp.newMedia(filePath);
  //listIndex++,
  //wmp.currentPlaylist.insertItem(media);
  wmp.currentPlaylist.appendItem(media);
  playListDict.Add(filePath, media);
  //杜绝重复项
  dic.Add(filePath, fileName);
 }

/// <summary>
 /// 文件拖拽进入
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void Files_DragEnter(object sender, DragEventArgs e)
 {
  if (e.Data.GetDataPresent(DataFormats.FileDrop))
  {
   e.Effect = DragDropEffects.Link;
  }
  else
  {
   e.Effect = DragDropEffects.None;
  }
 }

/// <summary>
 /// 导入文件
 /// </summary>
 private void tsmiLoading_Click(object sender, EventArgs e)
 {
  string fileName, fileExtension, fileSize, temp;
  FileInfo fi = null;
  ListViewItem lvi = null;
  openFileDialog1.Multiselect = true;
  openFileDialog1.Filter = "mp3文件(*.mp3)|*.mp3|wav文件(*.wav)|*.wav|wma文件(*.wma)|*.wma";
  if (openFileDialog1.ShowDialog() == DialogResult.OK)
  {
   //顺序播放
   wmp.settings.setMode("shuffle", false);
   foreach (string filePath in openFileDialog1.FileNames)
   {
    if (!dic.ContainsKey(filePath))
    {
     InsertPlayList(out fileName, out fileExtension, out fileSize, out temp, out fi, out lvi, filePath);
    }
   }
  }
 }

/// <summary>
 /// 清除列表
 /// </summary>
 private void ListViewClear_Click(object sender, EventArgs e)
 {
  lvDetail.Items.Clear();
 }

/// <summary>
 /// 播放
 /// </summary>
 private void tsmiPlayer_Click(object sender, EventArgs e)
 {
  wmp.Ctlcontrols.play();
 }

/// <summary>
 /// 暂停
 /// </summary>
 private void tsmiWaiting_Click(object sender, EventArgs e)
 {
  wmp.Ctlcontrols.pause();
 }

/// <summary>
 /// 停止
 /// </summary>
 private void tsmiStop_Click(object sender, EventArgs e)
 {
  wmp.Ctlcontrols.stop();
 }

/// <summary>
 /// 退出
 /// </summary>
 private void tsmiExit_Click(object sender, EventArgs e)
 {
  Application.Exit();
 }

/// <summary>
 /// 双击某项播放
 /// </summary>
 private void lvDetail_DoubleClick(object sender, EventArgs e)
 {
  if (lvDetail.SelectedItems.Count > 0)
  {
   wmp.currentMedia = wmp.currentPlaylist.Item[int.Parse(lvDetail.SelectedItems[0].Text) - 1];
  }
 }

/// <summary>
 /// 循环播放
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void tsmiXunHuan_Click(object sender, EventArgs e)
 {
  //点击项
  ToolStripMenuItem currentItem = (ToolStripMenuItem)sender;

ToolStripItemCollection items = this.tsmiSet.DropDownItems;

ToolStripMenuItem item;
  for (int i = 0; i < items.Count; i++)
  {

item = (ToolStripMenuItem)items[i];
   item.Checked = false;
   if (item.Name == currentItem.Name)
   {
    item.Checked = true;
   }
  }

wmp.settings.setMode("loop", true);
 }

//顺序
 private void tsmiDanQu_Click(object sender, EventArgs e)
 {
  IWMPMedia currentMedia = wmp.currentMedia;
  //点击项
  ToolStripMenuItem currentItem = (ToolStripMenuItem)sender;

ToolStripItemCollection items = this.tsmiSet.DropDownItems;

ToolStripMenuItem item;
  for (int i = 0; i < items.Count; i++)
  {

item = (ToolStripMenuItem)items[i];
   item.Checked = false;
   if (item.Name == currentItem.Name)
   {
    item.Checked = true;
   }
  }
  //顺序播放
  wmp.settings.setMode("shuffle", false);
 }

/// <summary>
 /// 图片宽高设置
 /// </summary>
 /// <param name="imgToResize"></param>
 /// <param name="size"></param>
 /// <returns></returns>
 public static Image ResizeImage(Image imgToResize, Size size)
 {
  //获取图片宽度
  int sourceWidth = imgToResize.Width;
  //获取图片高度
  int sourceHeight = imgToResize.Height;

float nPercent = 0;
  float nPercentW = 0;
  float nPercentH = 0;
  //计算宽度的缩放比例
  nPercentW = ((float)size.Width / (float)sourceWidth);
  //计算高度的缩放比例
  nPercentH = ((float)size.Height / (float)sourceHeight);

if (nPercentH < nPercentW)
   nPercent = nPercentH;
  else
   nPercent = nPercentW;
  //期望的宽度
  int destWidth = (int)(sourceWidth * nPercent);
  //期望的高度
  int destHeight = (int)(sourceHeight * nPercent);

Bitmap b = new Bitmap(destWidth, destHeight);
  Graphics g = Graphics.FromImage((System.Drawing.Image)b);
  g.InterpolationMode = InterpolationMode.HighQualityBicubic;
  //绘制图像
  g.DrawImage(imgToResize, 0, 0, destWidth, destHeight);
  g.Dispose();
  return (System.Drawing.Image)b;
 }

private void playerType_SelectedIndexChanged(object sender, EventArgs e)
 {
  if (playerType.Text == "顺序播放")
  {
   //顺序播放
   wmp.settings.setMode("shuffle", false);
  }
  else if (playerType.Text == "循环播放")
  {
   wmp.settings.setMode("loop", true);
  }
  else if (playerType.Text == "随机播放")
  {
   //顺序播放
   wmp.settings.setMode("shuffle", true);
  }

}

/// <summary>
 /// 定时器执行的方法，每隔1秒执行一次 歌词逐行显示
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void ShowLineLrc(object sender, EventArgs e)
 {
  this.label1.Text = this.wmp.Ctlcontrols.currentPositionString;

if (this.lrcForm == null)
  {
   this.lrcForm = new TMForm();

Point pos = this.Location;
   pos.Y = lrcForm.Location.Y + lrcForm.Height;
   this.Location = pos;

this.btmForm = new BTMForm();
   MusicPlayer mainForm = (MusicPlayer)this.Owner;
   btmForm.Location = pos;

this.lrcForm.Owner = this;
   this.btmForm.Owner = this;
   this.btmForm.Hide();
   this.lrcForm.Show();
  }

if (this.wmp.currentMedia == null)
  {
   this.richTextBox1.Text = "";
   return;
  }

string durationString = this.wmp.currentMedia.durationString;
  int trackBarValue = Convert.ToInt32(this.wmp.Ctlcontrols.currentPosition);
  //this.trackBar1.Maximum = Convert.ToInt32(this.wmp.currentMedia.duration);
  //this.trackBar1.Value = Convert.ToInt32(this.wmp.Ctlcontrols.currentPosition);

if (this.richTextBox1.Text != "歌词文件不存在" && this.richTextBox1.Text != "歌词文件内容为空")
  {
   int pos = al.IndexOf(trackBarValue.ToString());
   bool isAr = this.richTextBox1.Text.Contains("歌手:");
   bool isTi = this.richTextBox1.Text.Contains("歌名:");

if (pos >= 0)
   {
    int n = isAr ? 1 : 0;
    int m = isTi ? 1 : 0;

int height = 28 * (this.al.Count + m + n);
    int max = height - this.richTextBox1.Height;

this.richTextBox1.SelectAll();
    this.richTextBox1.SelectionColor = Color.Black;
    this.richTextBox1.SelectionLength = 0;/**/

int l = this.richTextBox1.Lines[pos + m + n].Length;
    this.richTextBox1.Select(this.richTextBox1.GetFirstCharIndexFromLine(pos + m + n), l);
    this.richTextBox1.SelectionColor = Color.OrangeRed;
    this.richTextBox1.SelectionLength = 0;
    //this.Text = GetScrollPos(this.richTextBox1.Handle, SB_VERT).ToString() + "-" + al.Count + "-" + this.richTextBox1.Height;

if ((pos + m + n) * 28 <= max)
    {
     int start = this.richTextBox1.GetFirstCharIndexFromLine(pos + m + n);
     this.richTextBox1.SelectionStart = start;
     this.richTextBox1.ScrollToCaret();

}
    else
    {
     //this.richTextBox1.Focus();
     SendMessage(this.richTextBox1.Handle, WM_VSCROLL, SB_BOTTOM, 0);
     UpdateWindow(this.richTextBox1.Handle);
     //this.richTextBox1.SelectionStart = this.richTextBox1.Text.Length;
     //this.richTextBox1.ScrollToCaret();
    }

if (this.lrcForm != null)
    {
     string l1 = this.richTextBox1.Lines[pos + m + n];
     string l2;
     if ((pos + m + n) < this.richTextBox1.Lines.Length - 1)
     {
      l2 = this.richTextBox1.Lines[pos + m + n + 1];
     }
     else
     {
      l2 = "。。。。。";
     }

this.lrcForm.setLrc(l1, l2, pos);
     //this.lrcForm.setLrc(ArrayList al,);

}

}
  }
  //this.Text = this.trackBar1.Value.ToString();
  /*if (trackBarValue >= (this.trackBar1.Maximum - 2))
  {
   this.PlayModeChange();
  }*/
 }

/// <summary>
 /// 载入歌词
 /// </summary>
 /// <param name="lrc_filename">歌词路径名</param>
 public void loadLrc()
 {

if (this.wmp.playState == WMPPlayState.wmppsPlaying)
  {

IWMPMedia currentMedia = wmp.currentMedia;
   string fullPath = currentMedia.sourceURL;
   string geciPath = Path.Combine(Path.GetDirectoryName(fullPath), Path.GetFileNameWithoutExtension(fullPath) + ".lrc");

//播放哪个资源 列表需选中
   ListView.ListViewItemCollection listViewItems = lvDetail.Items;
   lvDetail.FullRowSelect = true;
   for (int i = 0; i < listViewItems.Count; i++)
   {
    listViewItems[i].Checked = false;
    listViewItems[i].Selected = false;
    listViewItems[i].BackColor = Color.White;
    if (listViewItems[i].SubItems[4].Text == fullPath)
    {
     listViewItems[i].Checked = true;
     listViewItems[i].Selected = true;
     listViewItems[i].BackColor = Color.LightBlue;
    }
   }

if (!File.Exists(geciPath))
   {
    this.richTextBox1.Text = "歌词文件内容为空";
    return;
   }

using (StreamReader sr = new StreamReader(new FileStream(geciPath, FileMode.Open), Encoding.Default))
   {
    string tempLrc = "";
    while (!sr.EndOfStream)
    {
     tempLrc = sr.ReadToEnd();
    }

if (tempLrc.Trim() == "")
    {
     this.richTextBox1.Text = "歌词文件内容为空";
     return;
    }

tempLrc = tempLrc.Trim();
    Regex rg = new Regex("\r*\n*\\[ver:(.*)\\]\r*\n*");
    tempLrc = rg.Replace(tempLrc, "");
    rg = new Regex("\r*\n*\\[al:(.*)\\]\r*\n*");
    tempLrc = rg.Replace(tempLrc, "");
    rg = new Regex("\r*\n*\\[by:(.*)\\]\r*\n*");
    tempLrc = rg.Replace(tempLrc, "");
    rg = new Regex("\r*\n*\\[offset:(.*)\\]\r*\n*");
    tempLrc = rg.Replace(tempLrc, "");
    rg = new Regex("\r*\n*\\[ar:(.*)\\]\r*\n*");
    Match mtch;
    mtch = rg.Match(tempLrc);
    tempLrc = rg.Replace(tempLrc, "\n歌手:" + mtch.Groups[1].Value + "\n");
    rg = new Regex("\r*\n*\\[ti:(.+?)\\]\r*\n*"); //这里注意贪婪匹配问题.+?
    mtch = rg.Match(tempLrc);
    tempLrc = rg.Replace(tempLrc, "\n歌名:" + mtch.Groups[1].Value + "\n");
    rg = new Regex("\r*\n*\\[[0-9][0-9]:[0-9][0-9].[0-9][0-9]\\]");
    MatchCollection mc = rg.Matches(tempLrc);
    al.Clear();

foreach (Match m in mc)
    {
     string temp = m.Groups[0].Value;
     //this.Text += temp + "+";      
     string mi = temp.Substring(temp.IndexOf('[') + 1, 2);
     string se = temp.Substring(temp.IndexOf(':') + 1, 2);
     string ms = temp.Substring(temp.IndexOf('.') + 1, 2); //这是毫秒，其实我只精确到秒，毫秒后面并没有用
                   //this.Text += mi + ":" + se + "+";
     string time = Convert.ToInt32(mi) * 60 + Convert.ToInt32(se) + ""; //这里并没有添加毫秒
     al.Add(time);
    }

tempLrc = rg.Replace(tempLrc, "\n");
    char[] remove = { '\r', '\n', ' ' };
    this.richTextBox1.Text = tempLrc.TrimStart(remove);
    this.timer1.Interval = 1000;
    this.timer1.Tick += ShowLineLrc;
    this.timer1.Start();
   }
  }

}

private void wmp_Enter(object sender, EventArgs e)
 {
  loadLrc();//点击播放
 }

/// <summary>
 /// 删除选中的文件 并停止播放
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void skinButton2_Click(object sender, EventArgs e)
 {
  try
  {
   ListView.SelectedIndexCollection indexes = this.lvDetail.SelectedIndices;
   if (indexes.Count > 0)
   {
    int index = indexes[0];
    string path = this.lvDetail.Items[index].SubItems[4].Text;
    IWMPPlaylist iWMPPlaylist = wmp.currentPlaylist;
    //先移除播放列表 再移除listview列表
    wmp.currentPlaylist.removeItem(playListDict[path]);
    playListDict.Remove(path);
    this.lvDetail.Items[index].Remove();
    dic.Remove(path);
    wmp.Ctlcontrols.stop();
   }
  }
  catch (Exception ex)
  {
   MessageBox.Show("操作失败！\n" + ex.Message, "提示", MessageBoxButtons.OK,
    MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);

}
 }

/// <summary>
 /// 列表鼠标双击事件
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void lvDetail_MouseDoubleClick(object sender, MouseEventArgs e)
 {
  try
  {
   ListView.SelectedIndexCollection indexes = this.lvDetail.SelectedIndices;
   if (indexes.Count > 0)
   {
    int index = indexes[0];
    string path = this.lvDetail.Items[index].SubItems[4].Text;
    wmp.Ctlcontrols.playItem(playListDict[path]);
    //wmp.URL = path;//这种方式会失去播放列表【不是肉眼可见的listview列表】
    wmp.Ctlcontrols.stop();
    wmp.Ctlcontrols.play();
   }
  }
  catch (Exception ex)
  {
   MessageBox.Show("操作失败！\n" + ex.Message, "提示", MessageBoxButtons.OK,
    MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);

}
 }

/// <summary>
 /// 字体改变
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void skinComboBoxFontName_SelectedIndexChanged(object sender, EventArgs e)
 {
  if (this.lrcForm != null)
  {
   this.lrcForm.ChangeLabelFont(this.skinComboBoxFontName.SelectedItem.ToString(), this.skinComboBoxFontSize.SelectedItem.ToString());

}
 }

/// <summary>
 /// 字体大小改变
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void skinComboBox1_SelectedIndexChanged(object sender, EventArgs e)
 {
  if (this.lrcForm != null)
  {
   this.lrcForm.ChangeLabelFont(this.skinComboBoxFontName.SelectedItem.ToString(), this.skinComboBoxFontSize.SelectedItem.ToString());

}
 }

/// <summary>
 /// 歌词是否显示
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void skinButton5_Click(object sender, EventArgs e)
 {
  if (this.lrcForm == null)
  {
   return;
  }
  this.showLrc = !this.showLrc;
  this.skinButton5.Text = this.showLrc ? "关闭" : "显示";
  if (this.showLrc)
  {
   this.btmForm.Show();
   this.lrcForm.Show();
  }
  else
  {
   this.btmForm.Hide();
   this.lrcForm.Hide();
  }

}

/// <summary>
 /// 背景图片切换
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void timerImgs_Tick(object sender, EventArgs e)
 {
  if (imageInd <= imageList.Count - 2)
  {
   imageInd++;
   this.pictureBox1.Image.Dispose();
   this.pictureBox1.Image = Image.FromFile(imageList[imageInd]);
  }
  else
  {
   imageInd=0;
  }
 }

/// <summary>
 /// 粘贴音乐到播放列表
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void lvDetail_KeyDown(object sender, KeyEventArgs e)
 {
  System.Collections.Specialized.StringCollection stringCollection = Clipboard.GetFileDropList();
  if (stringCollection != null)
  {
   string fileName, fileExtension, fileSize, temp;
   FileInfo fi = null;
   ListViewItem lvi = null;
   foreach (var item in stringCollection)
   {
    if ((item.ToLower().EndsWith(".mp3") ||
     item.ToLower().EndsWith(".wav") ||
     item.ToLower().EndsWith(".wma")) && !dic.ContainsKey(item) )
    {
     InsertPlayList(out fileName, out fileExtension, out fileSize, out temp, out fi, out lvi, item);
    }
   }
  }
 }

//选择皮肤
 private void ComboBoxSkinSelect_SelectedIndexChanged(object sender, EventArgs e)
 {
  string bgColor = ComboBoxSkinSelect.SelectedItem.ToString();
  if (!string.IsNullOrEmpty(ComboBoxSkinSelect.SelectedItem.ToString()))
  {
   switch (bgColor)
   {
    case "渐变黑":
     this.BorderPalace = kenMusicPlayer.Properties.Resources.bg_black;
     break;
    case "天蓝色":
     this.BorderPalace = kenMusicPlayer.Properties.Resources.bg_light_blue;
     break;
    case "墨绿色":
     this.BorderPalace = kenMusicPlayer.Properties.Resources.bg_green;
     break;
    case "蓝色":
     this.BorderPalace = kenMusicPlayer.Properties.Resources.bg_s_blue;
     break;
    case "浅灰色":
     this.BorderPalace = kenMusicPlayer.Properties.Resources.bg_grey;
     break;
    case "亮色":
     this.BorderPalace = kenMusicPlayer.Properties.Resources.bg_light;
     break;
    default:
     this.BorderPalace = kenMusicPlayer.Properties.Resources.bg_black;
     break;
   }
   /*this.UpdateStyles();
   this.Update();*/
   //this.BackPalace = Image.FromFile(ComboBoxSkinSelect.SelectedItem.ToString());
  }
 }

/// <summary>
 /// 退出
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void skinButtonClose_Click(object sender, EventArgs e)
 {
  //this.Close();
  Application.Exit();
 }

private void MusicPlayer_Resize(object sender, EventArgs e)
 {
  try
  {
   Size size = this.Size;
   int x = (size.Width - dfSize.Width) + closePoint.X;
   int y = closePoint.Y;//(size.Height - dfSize.Height) + closePoint.Y;
   Point point = new Point(x, y);
   this.skinButtonClose.Location = point;
  }
  catch (Exception ex)
  {
   Console.WriteLine("异常:" + ex.Message);
  }

}

/// <summary>
 /// 改方法也是提供给透明歌词窗口用的，用来修改半透明窗体的位置，是透明歌词窗口和半透明窗体始终重合
 /// </summary>
 /// <param name="pos"></param>
 public void moveTmform(Point pos)
 {
  this.btmForm.Location = pos;
 }
}
}

源码地址：https://gitee.com/ten-ken/mus...

来源：https://segmentfault.com/a/1190000038773468