C#调用Windows Media Player制作播放器

右击工具箱->选择项 -> 显示"选择工具箱项" -> COM组件 -> Windows Media Player wmp.dll 添加

MyMediaPlayer窗体





public static string path = "";//记录文件完整路径

string duration = "";//当前文件播放的时间

int width = 0;//播放文件的宽度

int height = 0;//播放文件的高度

//存放路径key为文件名，value为完整路径

private Dictionary<string, string> pathList = new Dictionary<string,string>();

private void 打开文件ToolStripMenuItem_Click(object sender, EventArgs e)

{

this.OpenFile();

//清除播放列表中所有的值

this.listView1.Items.Clear();

//清除集合

pathList.Clear();

//添加到Listview中

listViewUpdate(Path.GetFileName(path), path);

//播放

axWmp.URL = path;

//当打开播放文件，启动timer控件，得到文件的时间，和宽度高度。

//如果放在当前位置，得到的数值为0，

//可能因为媒体文件的打开需要一定时间，这里等待媒体文件的打开

timer1.Start();

}

private void OpenFile() {

//打开一个文件

OpenFileDialog ofd = new OpenFileDialog();

DialogResult dr = ofd.ShowDialog();

if (dr == DialogResult.Cancel)

{ //取消打开

return;

}

//否则记录打开路径

path = ofd.FileName;

}

private void 属性ToolStripMenuItem_Click(object sender, EventArgs e)

{

//只记录文件名

//String s=Path.GetFileNameWithoutExtension(path);

//记录文件名和扩展名

string ss = Path.GetFileName(path);

//播放文件的信息

MusicInfo mi = new MusicInfo(ss,duration,width,height);

mi.ShowDialog();

}

private void 播放ToolStripMenuItem1_Click(object sender, EventArgs e)

{

//播放文件

this.axWmp.Ctlcontrols.play();

}

private void 暂停ToolStripMenuItem_Click(object sender, EventArgs e)

{

//暂停播放

this.axWmp.Ctlcontrols.pause();

}

private void 停止ToolStripMenuItem_Click(object sender, EventArgs e)

{

this.axWmp.Ctlcontrols.stop();

//清除图像，等待就须状态

this.axWmp.close();

}

private void 升高音量ToolStripMenuItem_Click(object sender, EventArgs e)

{

this.axWmp.settings.volume += 5;

}

private void timer1_Tick(object sender, EventArgs e)

{

//得到文件播放总时间和大小

duration = this.axWmp.currentMedia.durationString;

width = axWmp.currentMedia.imageSourceWidth;

height = axWmp.currentMedia.imageSourceHeight;

}

private void 降低音量ToolStripMenuItem_Click(object sender, EventArgs e)

{

this.axWmp.settings.volume -= 5;

}

private void 静音ToolStripMenuItem_Click(object sender, EventArgs e)

{

// this.axWmp.settings.volume = 0;

if (this.axWmp.settings.mute == true) {//true代表静音

this.axWmp.settings.mute =false;　

}

else if (this.axWmp.settings.mute == false) {

this.axWmp.settings.mute = true;

}

　　　　　　　

}

private void 退出ToolStripMenuItem_Click(object sender, EventArgs e)

{

this.Close();

}

private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)

{

//选择一个文件

this.OpenFile();

//打开路径取出文件名及其扩展名

string musicFileName = Path.GetFileName(path);

listViewUpdate(musicFileName,path);

}

//添加到listview

//文件名和文件完整路径名

private void listViewUpdate(string name,string path) {

//判断是否包含键值

if (pathList.ContainsKey(name)) {//包含返回真

return;

}

pathList.Add(name, path);

ListViewItem lvi = new ListViewItem(name);

listView1.Items.Add(lvi);

}

private void listView1_DoubleClick(object sender, EventArgs e)

{

//通过文件名，获得完整路径

this.axWmp.URL =pathList[listView1.SelectedItems[0].Text];

}

private void linkLabel2_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)

{

//删除播放列表项

//1首先删除集合中的值，然后删除Listview

if (listView1.SelectedItems.Count == 0) {

return;

}

pathList.Remove(listView1.SelectedItems[0].Text);

//从listview1中删除

//删除以后还能播放

this.listView1.Items.Remove(listView1.SelectedItems[0]);

}

private void 关于ToolStripMenuItem_Click(object sender, EventArgs e)

{

About a = new About();

a.ShowDialog();

}

MusicInfo窗体





private string Info="";//获取另一个窗口的信息

private string Duration;

private int Width=0;

private int Height=0;

public MusicInfo(string info,string duration,int width,int height) {

Info = info;

Duration = duration;

Width = width;

Height = height;

InitializeComponent();

}

private void Form2_Load(object sender, EventArgs e)

{

//判断是否有文件播放

if (String.IsNullOrEmpty(Info))

{

this.lblFileName.Text = "无播放文件";

}

else {

this.lblFileName.Text = Info;

}

//Graphics gh = this.CreateGraphics();

//gh.DrawLine(Pens.Blue, new Point(100, 10), new Point(100, 300));

//判断文件类型

string Extensiona = Path.GetExtension(Info);

if (Extensiona == ".wmv")

{

this.lblFileType.Text = "视频";

}

else {

this.lblFileType.Text = "音频";

}

//获取文件大小

if (string.IsNullOrEmpty(Info))

{

this.lblFileSize.Text = "0MB";

}

else {

FileInfo fi = new FileInfo(Info);

long fileSize = fi.Length / 1024 / 1024;

this.lblFileSize.Text = fileSize + "MB";

}

//当前播放时间

this.lblDuration.Text = Duration;

//分辨率

if (Width == 0 &&Height == 0) {

lblResolution.Text = "无视频";

}

this.lblResolution.Text = Width + "x" + Height;

//详细路径

//第二种方法获得另一个窗体的路径

//当创建新的对象path路径为空，做静态成员

// MyMediaPlayer MP = new MyMediaPlayer();

this.lblFilePositon.Text =MyMediaPlayer.path;

}