Moment For Technology

Teach you how to make a music player (Csharp Winform)

Posted on Aug. 8, 2022, 12:37 p.m. by Alisha Chaudhari
Category: The back-end Tag: c#

Introduction: the project is written by c# winform, using the player is based on AxWindowsMediaPlayer.

The method of AxWindowsMediaPlayer

The left side of the picture is the list and the right side is the background picture. The image box is available later. The + and - buttons represent add and delete files respectively and control the playback order. The following are changing the font and show/hide the lyrics respectively

1.2 Create a Transparent Lyrics page [Form]

1.3 Create a Translucent page [Form]

1.4 Service Code


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 Liststring 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();
        Dictionarystring, string dic = new Dictionarystring, string();

        //播放列表
        Dictionarystring, IWMPMedia playListDict = new Dictionarystring, IWMPMedia();

        Liststring al = new Liststring(); //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 Liststring();
                            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;
        }
    }
}

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Source code address: gitee.com/ten-ken/mus...

This article is from: Programmer Ken, exclusive platform CSDN, SegmentFault, Jianshu, Open Source China (OSChina), Nuggets, reprint please indicate the source.

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