黑马程序员--windows播放器
------- Windows Phone 7手机开发、.Net培训、期待与您交流！ -------
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;
namespace media
{
public enum State
{
//单曲循环
singlePlay=0,
//无序播放
unorderLoopPlay=1,
//列表循环
listPlay=2
}
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
System.Windows.Forms.FolderBrowserDialog browser = new FolderBrowserDialog();
DialogResult diares = browser.ShowDialog();
if (diares == DialogResult.OK)
{
string PathName = browser.SelectedPath;
System.IO.DirectoryInfo dir = new System.IO.DirectoryInfo(PathName);
foreach (System.IO.FileInfo f in dir.GetFiles())
{
if (f.Extension == ".mp3" || f.Extension == ".mp4" || f.Extension == ".avi" || f.Extension == ".wmv" || f.Extension == ".3GP" || f.Extension == ".flv")
{
PlayList.Items.Add(f.FullName);
}
}
}
}
private void Form1_Load(object sender, EventArgs e)
{
PlayList.Items.Clear();
}
//添加歌曲
private void button2_Click(object sender, EventArgs e)
{
OpenFileDialog songfile = new OpenFileDialog();
songfile.Multiselect = true;
songfile.Filter = "可播放的歌曲文件|*.rmvb;*.mp3;*.mp4;*.avi;*.wmv;*.3GP;*.flv|所有文件*.*|*.*";
DialogResult diares = songfile.ShowDialog();
if (diares == DialogResult.OK)
{
foreach (string f in songfile.FileNames)
{
PlayList.Items.Add(f);
}
}
}
//清空列表
private void button3_Click(object sender, EventArgs e)
{
PlayList.Items.Clear();
}
//双击播放列表里的播放文件后播放
private void PlayList_DoubleClick(object sender, EventArgs e)
{
if (PlayList.SelectedIndex >=0)
{
//axWindowsMediaPlayer1.URL = PlayList.SelectedItem.ToString();
axWindowsMediaPlayer1.URL = PlayList.Items[PlayList.SelectedIndex].ToString();
this.Text = "我的播放器" + PlayList.SelectedItem.ToString();
}
else
{
MessageBox.Show("请选中一首歌曲");
}
}
//下一曲
private void btnNext_Click(object sender, EventArgs e)
{
Next();
}
//上一曲
private void btnPrew_Click(object sender, EventArgs e)
{
if (this.PlayList.SelectedIndex == 0)
{
axWindowsMediaPlayer1.URL = this.PlayList.Items[PlayList.SelectedIndex].ToString();
this.Text = "我的播放器" + PlayList.Items[PlayList.SelectedIndex ].ToString();
}
else if (this.PlayList.SelectedIndex > 0)
{
axWindowsMediaPlayer1.URL = this.PlayList.Items[PlayList.SelectedIndex - 1].ToString();
this.Text = "我的播放器" + PlayList.Items[PlayList.SelectedIndex - 1].ToString();
this.PlayList.SelectedIndex -= 1;
}
}
//下一曲方法
public void Next()
{
if (PlayList.SelectedIndex < this.PlayList.Items.Count - 1)
{
axWindowsMediaPlayer1.URL = this.PlayList.Items[PlayList.SelectedIndex + 1].ToString();
//axWindowsMediaPlayer1.URL = (PlayList.SelectedValue + 1).ToString();
this.Text = "我的播放器" + PlayList.Items[PlayList.SelectedIndex + 1].ToString();
this.PlayList.SelectedIndex += 1;
}
else
{
//最后一首歌曲，下一首从第一首开始
axWindowsMediaPlayer1.URL = this.PlayList.Items[0].ToString();
this.Text = "我的播放器" + PlayList.Items[0].ToString();
}
}
//自动播放
//记录当前状态
int state = -1;
private void timer1_Tick(object sender, EventArgs e)
{
if (axWindowsMediaPlayer1.playState == WMPLib.WMPPlayState.wmppsStopped)
{
if(state==0)
{
//单曲循环
this.axWindowsMediaPlayer1.URL = this.PlayList.Items[this.PlayList.SelectedIndex].ToString();
this.Text = "我的播放器" + PlayList.Items[PlayList.SelectedIndex].ToString();
}
else if (state == 1)
{
//无序播放
Random rd = new Random();
int random = rd.Next(0, this.PlayList.Items.Count-1);
this.axWindowsMediaPlayer1.URL = this.PlayList.Items[random].ToString();
this.PlayList.SelectedIndex = random;
this.Text = "我的播放器" + PlayList.Items[random].ToString();
}
else
{
//自动播放与列表循环
Next();
}
}
}
//单曲循环
private void btnloop_Click(object sender, EventArgs e)
{
state = 0;
}
//列表循环
private void btnlistloop_Click(object sender, EventArgs e)
{
state = 2;
}
//无序播放
private void btnwuxu_Click(object sender, EventArgs e)
{
state = 1;
}
}
}